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Periodontal diseases: is it possible to prevent them? A populational and individual approach
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COTA, Luís Otávio Miranda
; VILLAR, Cristina Cunha
; VETTORE, Mario Vianna
; CAMPOS, Julya Ribeiro
; AMARAL, Guilherme Castro Lima Silva do
; CORTELLI, José Roberto
; CORTELLI, Sheila Cavalca
.
Abstract Periodontal diseases are infectious inflammatory chronic diseases of a multifactorial nature. They are primarily caused by dysbiotic ecological changes in dental biofilm, which may be influenced by risk factors. The prevention of periodontal diseases may involve different strategies focused on reducing distal, intermediate, and proximal risk factors at both the population and individual levels. Effective prevention depends on interdisciplinary and common risk factor approaches. Also, patient-centered preventive models are more effective than professional-centered models in the management of periodontal diseases. Regular and periodic control of dental biofilm is an essential measure for the different levels of prevention of periodontal diseases. The effectiveness of periodontal disease prevention largely depends on positive modifications of behavior, knowledge, health literacy, patient empowerment, motivation, and compliance.
https://doi.org/10.1590/1807-3107bor-2021.vol35.0098
161 downloads
2.
Validation of the Brazilian version of the Halitosis Associated Life-Quality Test (HALT)
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SILVEIRA, Juliana Oliveira da
; COTA, Luís Otávio Miranda
; BENDO, Cristiane Baccin
; FARIA, Sandro Felipe Santos
; COSTA, Fernando Oliveira
.
Abstract The present study aimed to validate (cross-culturally adapt and test psychometric properties) the Brazilian version of the Halitosis Associated Life-Quality Test (HALT). A process of translation and cross-cultural adaptation was conducted by a group of dental researchers. The first draft of the Brazilian Portuguese version was pre-tested on a sample of 33 individuals leading up to the final version of the questionnaire. The Brazilian version of the HALT (B-HALT) was applied to 100 individuals with halitosis (organoleptic score ≥ 2) and 100 individuals without halitosis (organoleptic score < 2). Exploratory factor analysis (EFA) was performed to evaluate the dimensionality of B-HALT. Cronbach’s alpha (α) and interclass correlation coefficient (ICC) were used to measure its reliability. For convergent validity, Spearman’s correlation was conducted between the B-HALT and the organoleptic scores. The discriminant validity was evaluated through the Mann-Whitney and Kruskal-Wallis tests. EFA confirmed the unidimensionality of B-HALT, which has also demonstrated excellent internal consistency (α = 0.96) and test-retest reliability (ICC = 0.93). There was a positive correlation between B-HALT and organoleptic scores (r = 0.33; p < 0.001). B-HALT was able to discriminate between the groups with and without halitosis measured by the organoleptic method (p < 0.001) and self-reported halitosis (p < 0.001). B-HALT has demonstrated to be a reliable and valid tool to evaluate the oral health-related quality of life associated to halitosis in Brazilian adults.
https://doi.org/10.1590/1807-3107bor-2020.vol34.0098
412 downloads
3.
Periodontitis and Periodontopathogens in Individuals Hospitalized in the Intensive Care Unit: A Case-Control Study
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Araújo, Milena Moreira
; Albuquerque, Bárbara Nascimento
; Cota, Luís Otávio Miranda
; Cortelli, Sheila Cavalca
; Cortelli, José Roberto
; Costa, Fernando Oliveira
.
Resumo O objetivo deste estudo foi comparar as condição periodontais entre pacientes internados em Unidade de terapia intensiva (UTI) e indivíduos não hospitalizados através de parâmetros periodontais clínicos e microbiológicos. Este estudo caso-controle incluiu 88 indivíduos hospitalizados em UTI e 176 controles não hospitalizados. Todos os indivíduos foram submetidos a um exame periodontal completo e amostragem microbiológica. A carga bacteriana total e as contagens de Porphyromonas gingivalis, Treponema denticola e Aggregatibacter actinomycetemcomitans foram avaliadas utilizando qPCR. Os dados foram analisados, conforme apropriado, por meio dos testes de Qui-quadrado, Fisher exato, t-Student, Mann-Whitney e correlação de Spearman. A prevalência de periodontite foi de 39,7% entre os controles e de 59,0% entre pacientes internados em UTI (OR=2,18, IC 95%: 1,29-3,68; p=0,002). Pacientes admitidos na UTI apresentram significativamente uma maior ocorrência de doença cardiovascular (p=0,002, OR=2,20) e história de doença periodontal (p=0,031; OR=1,92) do que os controles. As contagens bacterianas de A. actinomycetemcomitans, T. denticola e P. gingivalis foram significativamente maiores nos pacientes em UTI com periodontite do que nos controles. A correlação entre os parâmetros clínicos periodontais e os achados microbiológicos entre casos e controles mostrou correlação significativa e positiva entre: carga bacteriana total e % de sítios com profundidade de sondagem (PS) ≥4 mm (casos: r=0,22 e controles: r=0,13) e P. gingivalis e % de sítios com sangramento à sondagem (SS) (casos: r=0,22 e controles: r=0,23). Pacientes internados na UTI apresentaram maior prevalência de periodontite e pior condição periodontal (maior média de índice de placa, SS, de sítios com nível de inserção clínica ≥ 3mm e PS de 4 a 6 mm) do que os controles.
Abstract The aim of the present study was to compare periodontal conditions between intensive care unit (ICU) in-patients and non-ICU patients through clinical and microbiological periodontal parameters. This case-control study included 88 individuals hospitalized in ICU and 176 non-hospitalized controls. All individuals underwent a complete periodontal examination and microbiological sampling. The total bacterial load and counts of Porphyromonas gingivalis, Treponema denticola and Aggregatibacter actinomycetemcomitans were evaluated using qPCR. Data were analyzed through the Chi-square, Fisher exact, and t-Student tests, and the Spearman correlation, as appropriate. The prevalence of periodontitis was 39.7% among controls and 59.0% among ICU in-patients (OR=2.18; p=0.002). ICU in-patients had a significantly higher occurrence of cardiovascular disease (p=0.002; OR=2.20) and history of periodontal disease (p=0.031; OR=1.92) than controls. Bacterial counts of A. actinomycetemcomitans, T. denticola and P. gingivalis were significantly higher in ICU in-patients with periodontitis than in controls. The correlation between periodontal parameters and microbiological findings among cases and controls showed a significant and positive correlation between: total bacteria load and % of sites with probing depth (PD) ≥ 4 mm (cases: r=0.22 and controls: r=0.13) and P. gingivalis and % sites with bleeding on probing (BOP) (cases: r=0.22 and controls: r=0.23). Thus, ICU in-patients presented a higher prevalence of periodontitis and worse periodontal condition (higher mean plaque index, BOP, clinical attachment level ≥3 mm, and sites with PD 4 to 6 mm).
https://doi.org/10.1590/0103-6440201902480
1733 downloads
4.
Periodontal disease, peri-implant disease and levels of salivary biomarkers IL-1β, IL-10, RANK, OPG, MMP-2, TGF-β and TNF-α: follow-up over 5 years
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GOMES, Alex Martins
; Douglas-de-OLIVEIRA, Dhelfeson Willya
; FERREIRA, Sérgio Diniz
; SILVA, Tarcília Aparecida da
; COTA, Luís Otávio Miranda
; COSTA, Fernando Oliveira
.
Abstract Objective The aim of this study was to evaluate the levels of salivary biomarkers IL-1β, IL-10, RANK, OPG, MMP-2, TG-β and TNF-α in individuals with diagnosis of peri-implant mucositis in the absence or presence of periodontal and peri-implant maintenance therapy (TMPP) over 5 years. Material and Methods Eighty individuals diagnosed with peri-implant mucositis were divided into two groups: one group that underwent periodontal and peri-implant regularly maintenance therapy, called GTP (n=39), and a second group that received no regular maintenance GNTP (n=41). Each participant underwent a complete periodontal and peri-implant clinical examination. Collection of saliva samples and radiographic examination to evaluate peri-implant bone levels were conducted at two times: initial examination (T1) and after 5 years (T2). The salivary samples were evaluated through ELISA for the following markers: IL-1β, IL-10, RANK, OPG, MMP-2, TGF and TNF-α. Results A higher incidence of peri-implantitis was observed in the GNTP group (43.9%) than in the GTP group (18%) (p=0.000). All individuals (n=12) who presented peri-implant mucositis and had resolution at T2 were in the GTP group. After 5 years, there was an increase in the incidence of periodontitis in the GNTP group compared to the GTP group (p=0.001). The results of the study revealed an increase in the salivary concentration of TNF-α in the GNTP group compared to the GTP group. The other salivary biomarkers that were evaluated did not show statistically significant differences between the two groups. Conclusions The salivary concentration of TNF-α was increased in individuals with worse periodontal and peri-implant clinical condition and in those with a higher incidence of peri-implantitis, especially in the GNTP group. Longitudinal studies in larger populations are needed to confirm these findings and elucidate the role of this biomarker in peri-implant disease.
https://doi.org/10.1590/1678-7757-2018-0316
2298 downloads
5.
Periodontal Condition and Immunological Aspects of Individuals Hospitalized in the Intensive Care Unit
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Albuquerque, Bárbara Nascimento
; Araújo, Milena Moreira
; Silva, Tarcília Aparecida
; Cota, Luís Otávio Miranda
; Cortelli, Sheila Cavalca
; Costa, Fernando Oliveira
.
Resumo Existem poucos estudos sobre o estado clínico periodontal e imunológico de pacientes em unidade de terapia intensiva (UTI). O objetivo do presente estudo foi avaliar a condição periodontal entre os pacientes internados na UTI através de parâmetros clínicos periodontais e imunológicos. De uma amostra inicial de 373 pacientes internados em UTI, 183 foram submetidos a exame periodontal completo e análise imunológica. Os dados sobre o sangramento na sondagem (BOP), profundidade de sondagem (PD) e nível clínico de inserção (CAL) foram coletados e as amostras de fluido sulcular gengival foram quantificadas para avaliação imunológica através de ELISA para IL-1, IL-6 e MMP-2. Os dados foram analisados estatisticamente pelos testes de Qui-quadrado, exato de Fischer, Mann-Whitney, correlação de Sperman e análise de regressão logística multivariada. Foi observado um alto índice de placa dental e uma alta prevalência de periodontite (48,3%), principalmente na forma crônica moderada e localizada. Os indivíduos com periodontite apresentaram níveis mais altos de IL-1 e MMP-2, enquanto indivíduos com doença cardiovascular (CVD) e com mais de duas doenças sistêmicas (MSD) apresentaram níveis mais altos de IL-1 e os com diabetes mellitus (DM) e MSD apresentaram níveis mais elevados de IL-6. Foi encontrada associação positiva entre a gravidade da periodontite e CVD (OR 2.2; IC = 1,11-4,42). Este estudo reportou uma prevalência de periodontite em 48.3% dos pacientes em UTI e uma associação positiva entre ocorrência de periodontite e CVD. Além disso, níveis mais elevados de IL-1 e MMP-2 foram encontrados em indivíduos com periodontite, de IL-6 em indivíduos com DM e de IL-1 em indivíduos com CVD.
Abstract There are few studies on the clinical and immunological periodontal status of intensive care unit (ICU) in-patients. The aim of the present study was to evaluate the periodontal condition among ICU in-patients through clinical and immunological periodontal parameters. From the sample of 373 hospitalized ICU patients, 182 were submitted’ to a thorough clinical periodontal and immunological evaluation. Data on bleeding on probing (BOP), probing depth (PD), and clinical attachment level (CAL) were collected and gingival sulcular fluid samples were quantified through ELISA on IL-1, IL-6, and MMP-2 for immunological evaluation. Data was statistically analyzed by Chi-square, Fisher’s exact, Mann-Whitney tests, and Sperman’s correlation and multivariate logistic regression analysis. A high dental plaque index and a high prevalence of periodontitis (48.3%), mostly in moderate and localized chronic form, were observed. Individuals with periodontitis presented higher levels of IL-1 and MMP-2, while individuals with cardiovascular disease (CVD) and individuals with two or more systemic diseases (MSD) presented higher levels of IL-1; diabetes mellitus (DM) and MSD individuals presented higher levels of IL-6. A positive association was found between the severity of periodontitis and CVD (OR 2.2; CI = 1.11-4.42). This study reported a 48.3% of the prevalence of periodontitis in ICU patients and a positive association between the severity of periodontitis and CVD. Additionally, higher levels of IL-1 and MMP-2 were found in individuals with periodontitis, higher levels of IL-6 were found in individuals with DM, and higher levels of IL-1 were found in individuals with CVD.
https://doi.org/10.1590/0103-6440201802034
1800 downloads
6.
Effects of smoking on tooth loss among individuals under periodontal maintenance therapy: a systematic review and meta-analysis
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Vieira, Thais Ribeiral
; Martins, Carolina Castro
; Cyrino, Renata Magalhães
; Azevedo, Andrea Mara Oliveira
; Cota, Luís Otávio Miranda
; Costa, Fernando Oliveira
.
Resumo: A perda dentária tem sido relatada em estudos longitudinais sobre terapia periodontal de suporte (TPS), mas houve menos investigação sobre o efeito independente do tabagismo sobre a perda dentária, ajustado por importantes variáveis de confusão. Esta revisão sistemática teve como objetivo avaliar e analisar o efeito isolado do tabagismo sobre perda dentária em indivíduos em TPS. A estratégia incluiu fontes eletrônicas, busca manual, literatura cinzenta e artigos recentes (publicados a partir de abril de 2018), sem restrição quanto ao idioma; as datas de publicação foram incluídas. Foram selecionados estudos clínico-epidemiológicos com dados sobre perda dentária entre tabagistas em TPS, comparado com grupos-controle de não-tabagistas. A qualidade metodológica foi avaliada com a Escala de Newcastle-Ottawa. Foi realizada uma meta-análise, assim como, I2 testes de heterogeneidade e de sensibilidade. A qualidade das evidências foi avaliada com a escala GRADE (Grading of Recommendations, Assessment, Development, and Evaluation). Onze artigos foram incluídos na revisão sistemática, sendo quatro estudos de casos e controles e sete estudos de coorte. Dez dos 11 estudos concluíram que o tabagismo é importante fator de risco para a ocorrência de perda dentária. De acordo com a meta-análise de quatro dos estudos de coorte, os tabagistas em TPS apresentavam risco 3,24 vezes maior de ocorrência de perda dentária quando comparados aos não tabagistas (IC95%: 1,33-7,90). O risco global de viés nos estudos foi baixo. A revisão mostrou qualidade moderada das evidências científicas de que os tabagistas em TPS apresentam risco maior de perda dentária do que os não-tabagistas.
Abstract: Dental mortality has been reported by longitudinal studies on periodontal maintenance therapy (PMT), but the independent effect of smoking on tooth loss (TL), adjusted for important confounding variables, has been poorly evaluated. This systematic review aimed to assess and analyze the isolated effect of smoking TL among individuals undergoing PMT. Electronic, manual, grey literature, and recent articles (from April 2018) were searched, with no restriction regarding language; respective dates of publication were included. Epidemiological clinical studies reporting TL data among smokers undergoing PMT in comparison to nonsmoker control groups were selected. Methodological quality was assessed using the Newcastle-Ottawa Scale. Meta-analysis was performed, as well as I2 heterogeneity and sensitivity tests. Evidence quality was assessed using GRADE (Grading of Recommendations, Assessment, Development and Evaluation). Eleven papers were included in the systematic review: four case-control and seven cohort studies. Ten out of the 11 studies concluded that smoking was an important risk factor for the occurrence of TL. Meta-analysis of four of the cohort studies found that smokers had 3.24 times the chance of occurrence of TL than nonsmokers undergoing PMT (95%CI: 1.33-7.90). Overall, studies’ risk of bias was low. The quality of the scientific evidence moderately supports that smokers undergoing PMT have a greater chance of TL than nonsmokers.
Resumen: La mortalidad dental ha sido estudiada en estudios longitudinales acerca de la terapia de mantenimiento periodontal (TMP), pero el efecto independiente de fumar en la pérdida de dientes (PD), ajustado a variables de confusión importantes, se ha evaluado muy poco. Esta revisión sistemática tuvo como objetivo evaluar y analizar el efecto aislado de fumar en la PD con personas bajo TMP. Se investigó en medios electrónicos, manuales, literatura gris, y artículos recientes (desde abril 2018), sin restricciones respecto a la lengua; incluyendo sus respectivas fechas de publicación. Además, se seleccionaron estudios clínicos epidemiológicos que trabajaban sobre datos de PD entre fumadores que estaban bajo TMP, en comparación con grupos de control de no fumadores. La calidad metodológica se evaluó usando la Escala de Newcastle-Ottawa. Se realizó un metaanálisis, así como tests de heterogeneidad I2 y sensibilidad. La evidencia de calidad fue evaluada usando GRADE (Grading of Recommendations, Assessment, Development and Evaluation). Se incluyeron once trabajos en la revisión sistemática (cuatro de caso-control y siete estudios de cohortes). Diez de los once estudios concluyeron que fumar era un factor de riesgo importante para la ocurrencia de PD. Los metaanálisis de cuatro de los estudios de cohorte descubrieron que los fumadores tenían 3,24 veces más la oportunidad de sufrir PD, en comparación con los no fumadores TMP (IC95%: 1,33-7,90). En general, el riesgo de sesgo en los estudios fue bajo. La calidad de la evidencia científica respaldó moderadamente que los fumadores bajo TMP contaban con más oportunidad de PD que los no fumadores.
https://doi.org/10.1590/0102-311x00024918
18 downloads
7.
Effects of smoking on tooth loss among individuals under periodontal maintenance therapy: a systematic review and meta-analysis
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Vieira, Thais Ribeiral
; Martins, Carolina Castro
; Cyrino, Renata Magalhães
; Azevedo, Andrea Mara Oliveira
; Cota, Luís Otávio Miranda
; Costa, Fernando Oliveira
.
Resumo: A perda dentária tem sido relatada em estudos longitudinais sobre terapia periodontal de suporte (TPS), mas houve menos investigação sobre o efeito independente do tabagismo sobre a perda dentária, ajustado por importantes variáveis de confusão. Esta revisão sistemática teve como objetivo avaliar e analisar o efeito isolado do tabagismo sobre perda dentária em indivíduos em TPS. A estratégia incluiu fontes eletrônicas, busca manual, literatura cinzenta e artigos recentes (publicados a partir de abril de 2018), sem restrição quanto ao idioma; as datas de publicação foram incluídas. Foram selecionados estudos clínico-epidemiológicos com dados sobre perda dentária entre tabagistas em TPS, comparado com grupos-controle de não-tabagistas. A qualidade metodológica foi avaliada com a Escala de Newcastle-Ottawa. Foi realizada uma meta-análise, assim como, I2 testes de heterogeneidade e de sensibilidade. A qualidade das evidências foi avaliada com a escala GRADE (Grading of Recommendations, Assessment, Development, and Evaluation). Onze artigos foram incluídos na revisão sistemática, sendo quatro estudos de casos e controles e sete estudos de coorte. Dez dos 11 estudos concluíram que o tabagismo é importante fator de risco para a ocorrência de perda dentária. De acordo com a meta-análise de quatro dos estudos de coorte, os tabagistas em TPS apresentavam risco 3,24 vezes maior de ocorrência de perda dentária quando comparados aos não tabagistas (IC95%: 1,33-7,90). O risco global de viés nos estudos foi baixo. A revisão mostrou qualidade moderada das evidências científicas de que os tabagistas em TPS apresentam risco maior de perda dentária do que os não-tabagistas.
Abstract: Dental mortality has been reported by longitudinal studies on periodontal maintenance therapy (PMT), but the independent effect of smoking on tooth loss (TL), adjusted for important confounding variables, has been poorly evaluated. This systematic review aimed to assess and analyze the isolated effect of smoking TL among individuals undergoing PMT. Electronic, manual, grey literature, and recent articles (from April 2018) were searched, with no restriction regarding language; respective dates of publication were included. Epidemiological clinical studies reporting TL data among smokers undergoing PMT in comparison to nonsmoker control groups were selected. Methodological quality was assessed using the Newcastle-Ottawa Scale. Meta-analysis was performed, as well as I2 heterogeneity and sensitivity tests. Evidence quality was assessed using GRADE (Grading of Recommendations, Assessment, Development and Evaluation). Eleven papers were included in the systematic review: four case-control and seven cohort studies. Ten out of the 11 studies concluded that smoking was an important risk factor for the occurrence of TL. Meta-analysis of four of the cohort studies found that smokers had 3.24 times the chance of occurrence of TL than nonsmokers undergoing PMT (95%CI: 1.33-7.90). Overall, studies’ risk of bias was low. The quality of the scientific evidence moderately supports that smokers undergoing PMT have a greater chance of TL than nonsmokers.
Resumen: La mortalidad dental ha sido estudiada en estudios longitudinales acerca de la terapia de mantenimiento periodontal (TMP), pero el efecto independiente de fumar en la pérdida de dientes (PD), ajustado a variables de confusión importantes, se ha evaluado muy poco. Esta revisión sistemática tuvo como objetivo evaluar y analizar el efecto aislado de fumar en la PD con personas bajo TMP. Se investigó en medios electrónicos, manuales, literatura gris, y artículos recientes (desde abril 2018), sin restricciones respecto a la lengua; incluyendo sus respectivas fechas de publicación. Además, se seleccionaron estudios clínicos epidemiológicos que trabajaban sobre datos de PD entre fumadores que estaban bajo TMP, en comparación con grupos de control de no fumadores. La calidad metodológica se evaluó usando la Escala de Newcastle-Ottawa. Se realizó un metaanálisis, así como tests de heterogeneidad I2 y sensibilidad. La evidencia de calidad fue evaluada usando GRADE (Grading of Recommendations, Assessment, Development and Evaluation). Se incluyeron once trabajos en la revisión sistemática (cuatro de caso-control y siete estudios de cohortes). Diez de los once estudios concluyeron que fumar era un factor de riesgo importante para la ocurrencia de PD. Los metaanálisis de cuatro de los estudios de cohorte descubrieron que los fumadores tenían 3,24 veces más la oportunidad de sufrir PD, en comparación con los no fumadores TMP (IC95%: 1,33-7,90). En general, el riesgo de sesgo en los estudios fue bajo. La calidad de la evidencia científica respaldó moderadamente que los fumadores bajo TMP contaban con más oportunidad de PD que los no fumadores.
https://doi.org/10.1590/0102-311x00024918
2422 downloads
8.
Factors associated with the non-wear of mandibular dentures in the Brazilian public primary health care
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MARTINS, Mara Rodrigues
; SOUZA, Marco Túlio Moreira de
; BOA, Juliene Fonte
; MAGALHÃES, Débora Emrich
; VARGAS, Andreia Maria Duarte
; COTA, Luís Otávio Miranda
; SAMPAIO, Aline Araujo
; FERREIRA, Efigênia Ferreira e
.
Abstract This study investigated factors that affect the use of complete conventional mandibular dentures (CCMD) by patients of the Brazilian Public Health Service. For this, two hundred and thirty one subjects who received CCMD in the Primary Health Care of the Public Health Service in Belo Horizonte – Brazil were evaluated and divided in Group 1 – irregular/non-wear; Group 2 – regular wear. Multivariate logistic regression analysis was used to create predictive models for CCMD non-wear and included socio-demographic and biological variables, technical quality of CCMD, and user satisfaction. The prevalence of CCMD non-wear was 41.10%. The mean score of CCMD quality was 54.97 (0–100). Not wearing the CCMD was significantly associated with user satisfaction and technical quality (p < 0.05). The lack of retention of the CCMD was the most important factor in the evaluation of satisfaction and quality. The final predictive model (specificity = 92.65%; AROC = 0.8759) for not wearing the CCMD retained the variables CCMD stability (OR = 0.888; 95%CI = 0.827–0.954), freeway space (OR = 0.916; 95%CI = 0.860–0.976), satisfaction with speech (OR = 0.694; 95%CI = 0.612–0.786), and irregular CCMD edges (OR = 3.185; 95%CI = 1.478–6.864). Socio-demographic and biological variables were not associated with patients not wearing the CCMD, whereas technical quality and user satisfaction were strongly associated.
https://doi.org/10.1590/1807-3107bor-2018.vol32.0100
694 downloads
9.
Cross-cultural adaptation of the Brazilian version of the Dentine Hypersensitivity Experience Questionnaire (DHEQ-15)
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Douglas-De-Oliveira, Dhelfeson Willya
; Lages, Frederico Santos
; Paiva, Saul Martins
; Cromley, Jennifer Grace
; Robinson, Peter Glenn
; Cota, Luís Otávio Miranda
.
Abstract The dentine hypersensitivity (DH) is able to impair the oral health related quality of life (OHRQoL). However, there isn't any specific validated questionnaire to be used in Brazil. The objective was to adapt and to validate the English version of the Dentine Hypersensitivity Experience Questionnaire (DHEQ-15) for use in Brazil. DHEQ-15 was cross-culturally adapted into the Brazilian-Portuguese language and then validated in a cross-sectional study with 100 participants recruited at a University clinic. Study sample comprised 2 groups: 100 individuals with DH, and 100 individuals without. The instrument was self-administered twice 7 to 10 days apart. The participants answered a global rating of oral health. The psychometric properties of the Brazilian version of DHEQ-15 were verified through internal consistency (Cronbach's α) and test-retest reliability (intraclass correlation coefficient - ICC), convergent (Spearman correlation) and discriminant (Mann-Whitney test) validity. The significance threshold was set at p<0.05. Sample comprised 69 men and 131 women, of mean age 30.4y. The Brazilian DHEQ-15 demonstrated very good internal consistency (α = 0.945). Test-retest reliability revealed excellent reproducibility (ICC = 0.959, p < 0.001). There was statistically significant correlation between the scores obtained on all DHEQ-15 domains and the global rating of oral health (p<0.001). Participants with DH scored significantly higher than those without DH (p<0.001). This study provides evidence supporting the cross-cultural validity of the Brazilian version of DHEQ-15 for use in Brazil.
https://doi.org/10.1590/1807-3107bor-2018.vol32.0037
1851 downloads
10.
Effect of 1% sodium alendronate in the non-surgical treatment of periodontal intraosseous defects: a 6-month clinical trial
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DUTRA, Bernardo Carvalho
; OLIVEIRA, Alcione Maria Soares Dutra
; OLIVEIRA, Peterson Antônio Dutra
; MANZI, Flavio Ricardo
; CORTELLI, Sheila Cavalca
; COTA, Luís Otávio de Miranda
; COSTA, Fernando Oliveira
.
Abstract Background and objectives Few studies have evaluated the effect of the topical application of sodium alendronate (ALN) on the treatment of intrabuccal bone defects, especially those caused by periodontitis. This 6-month randomized placebo controlled clinical trial aimed at evaluating the effect of non-surgical periodontal treatment associated with the use of 1% ALN, through clinical evaluations and cone-beam computed tomography (CBCT). Material and Methods Twenty individuals with chronic periodontitis underwent periodontal examination at the baseline as well as 3 and 6 months after periodontal treatment, registering clinical attachment level (CAL), periodontal probing depth (PPD), and bleeding on probing (BOP) as the clinical outcomes. After manual scaling and root planing, 40 bilateral sites with interproximal vertical bone defects were randomly treated with either 1% ALN gel or a placebo. Bone defects were evaluated through CBCT at the baseline and 6 months post-treatment. The clinical and CBCT parameters were compared using the Wilcoxon and Friedman tests (p<0.05). Results Although ALN produced a greater CAL gain when compared to the placebo at 6 months post-treatment (p=0.021), both treatments produced similar effects on the PPD, BOP, and bone height. Significant differences in bone fill were observed only in patients of the ALN group (4.5 to 3.8 mm; p=0.003) at 6 months post-treatment. Conclusions Topical application of 1% ALN might be a beneficial adjuvant to non-surgical periodontal therapy.
https://doi.org/10.1590/1678-7757-2016-0252
1351 downloads
11.
Periodontitis and type 2 diabetes among women with previous gestational diabetes: epidemiological and immunological aspects in a follow-up of three years
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ESTEVES LIMA, Rafael Paschoal
; COTA, Luis Otávio Miranda
; SILVA, Tarcília Aparecida
; CORTELLI, Sheila Cavalca
; CORTELLI, José Roberto
; COSTA, Fernando Oliveira
.
Abstract Periodontitis can contribute to the development of insulin resistance. Gestational diabetes is a risk factor for type 2 diabetes. Therefore, periodontitis, when associated with gestational diabetes, could increase the risk for the development of type 2 diabetes after pregnancy. Objective The aim of this study was to verify the incidence on the development of type 2 diabetes in women with previous gestational diabetes with and without periodontitis after a three-year time interval. Material and Methods Initial sample of this follow-up study consisted of 90 women diagnosed with gestational diabetes who underwent periodontal examination. After three years, 49 women were subjected to new periodontal examination and biological, behavioral, and social data of interest were collected. Additionally, the quantification of the C-reactive protein in blood samples was performed. Fasting glucose and glycated hemoglobin levels were requested. Saliva samples were collected for quantification of interleukin 6 and 10, tumor necrosis factor α, matrix metalloproteinase 2 and 9. Results The incidence of type 2 diabetes mellitus was 18.4% and of periodontitis was 10.2%. There was no significant difference in the incidence of type 2 diabetes mellitus among women with and without periodontitis. It was observed impact of C-reactive protein in the development of type 2 diabetes mellitus. However, it was not observed impact of periodontitis on the development of type 2 diabetes mellitus among women with previous gestational diabetes. Conclusions It was not observed impact of periodontitis on the development of type 2 diabetes among women with previous gestational diabetes. The impact of C-reactive protein in the development of type 2 diabetes mellitus highlights the importance of an inflammatory process in the diabetes pathogenesis.
https://doi.org/10.1590/1678-77572016-0367
1990 downloads
12.
Frequency of periodontal pathogens and Helicobacter pylori in the mouths and stomachs of obese individuals submitted to bariatric surgery: a cross-sectional study
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PATARO, André Luiz
; CORTELLI, Sheila Cavalca
; ABREU, Mauro Henrique Nogueira Guimarães
; CORTELLI, José Roberto
; FRANCO, Gilson Cesar Nobre
; AQUINO, Davi Romeiro
; COTA, Luis Otavio Miranda
; COSTA, Fernando Oliveira
.
ABSTRACT Objectives This cross-sectional study compared the frequency of oral periodontopathogens and H. pylori in the mouths and stomachs of obese individuals with or without periodontitis submitted to bariatric surgery. Material and Methods One hundred and fifty-four men and women aged 18-65 were conveniently distributed into four groups. Two groups were composed of individuals who underwent bariatric surgery with (BP) (n=40) and without (BNP) (n=39) periodontitis and two obese control groups with (CP) (n=35) and without (CNP) (n=40) periodontitis. The oral pathogens Porphyromonas gingivalis, Aggregatibacter actinomycetemcomitans, Parvimonas micra, Treponema denticola, Tannerella forsythia, Campylobacter rectus, and Helicobacter pylori were detected by a polymerase chain reaction technique using saliva, tongue and stomach biopsy samples. Results Statistical analysis demonstrated that periodontopathogens were highly frequent in the mouth (up to 91.4%). In the bariatric surgically treated group, orally, P. gingivalis, T. denticola and T. forsythia were more frequent in periodontitis, while C. rectus was more frequent in non-periodontitis subjects. Stomach biopsies also revealed the high frequency of five oral species in both candidates for bariatric surgery (91.6%) and the bariatric (83.3%) groups. H. pylori was frequently detected in the mouth (50.0%) and stomach (83.3%). In the stomach, oral species and H. pylori appeared in lower frequency in the bariatric group. Conclusions Obese individuals showed high frequencies of periodontopathogens and H. pylori in their mouths and stomachs. Bariatric surgery showed an inverse microbial effect on oral and stomach environments by revealing higher oral and lower stomach bacterial frequencies.
https://doi.org/10.1590/1678-775720150534
2365 downloads
13.
Tobacco use and friendship networks: a cross-sectional study among Brazilian adolescents
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Jorge, Kelly Oliva
; Cota, Luís Otavio
; Ferreira, Efigênia Ferreira e
; Vale, Miriam Pimenta do
; Kawachi, Ichiro
; Zarzar, Patrícia Maria
.
Objetivo: Determinar a prevalência do uso do tabaco e sua associação com tipos de amigos, condições socioeconômicas e gênero entre adolescentes brasileiros.Métodos: Um estudo transversal foi conduzido com uma amostra representativa de 905 estudantes de 15 a 19 anos. Informações sobre as redes sociais e o uso do tabaco foram coletadas através do "Questionário para triagem do uso de álcool, tabaco e outras substâncias", e a questão "Qual é o seu grupo de amigos mais importante?". As condições socioeconômicas foram avaliadas através do Índice de vulnerabilidade social e do tipo de escola. Regressão logística multinomial foi utilizada para testar as associações entre o uso do tabaco e as variáveis independentes.Resultados: A prevalência do uso do tabaco foi de 18.9%. Meninas apresentaram 3.80 vezes mais chances de usarem tabaco na frequência semanalmente a diariamente comparado aos meninos. Os participantes que responderam ser o grupo de amigos da igreja o mais importante tiveram um risco menor de usarem tabaco com maior frequência em comparação aos adolescentes que consideraram o grupo de amigos da escola.Conclusões: A prevalência do uso de tabaco foi alta na amostra estudada e foi associada a rede de amigos da escola (em comparação aos amigos da igreja), gênero feminino e melhores condições socioeconômicas.
Aim: To determine the prevalence of tobacco use and its association with types of friendship networks, socioeconomic status and gender among Brazilian adolescents.Methods: A cross-sectional study was carried out with a representative sample of 905 students aged 15 to 19 years. Information on social networks and tobacco use was collected by the self-administered questionnaire 'Alcohol, Smoking and Substance Involvement Screening Test" and the question "What is your most important group of close friends?'. Socioeconomic status was assessed using an area-based social vulnerability index and type of school. Multinomial logistic regression analysis was employed to test associations between tobacco use and the independent variables.Results: The overall prevalence of tobacco use was 18.9%. Female adolescents had 3.80-fold greater odds of reporting weekly to daily tobacco use compared to male adolescents. Participants who reported that their most important groups of close friends were from church had a lower risk of reporting weekly to daily tobacco use in comparison to those who reported that their best friends were from school.Conclusions: The prevalence of tobacco use was high and was associated with school-based (as compared to church-based) friendship networks, female gender and higher area-level socioeconomic status.
https://doi.org/10.1590/1413-81232015205.13542014
2012 downloads
14.
Tobacco use and friendship networks: a cross-sectional study among Brazilian adolescents
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Jorge, Kelly Oliva
; Cota, Luís Otavio
; Ferreira, Efigênia Ferreira e
; Vale, Miriam Pimenta do
; Kawachi, Ichiro
; Zarzar, Patrícia Maria
.
<sec><title>Objetivo:</title><p> Determinar a prevalência do uso do tabaco e sua associação com tipos de amigos, condições socioeconômicas e gênero entre adolescentes brasileiros.</p></sec><sec><title>Métodos:</title><p> Um estudo transversal foi conduzido com uma amostra representativa de 905 estudantes de 15 a 19 anos. Informações sobre as redes sociais e o uso do tabaco foram coletadas através do "Questionário para triagem do uso de álcool, tabaco e outras substâncias", e a questão "Qual é o seu grupo de amigos mais importante?". As condições socioeconômicas foram avaliadas através do Índice de vulnerabilidade social e do tipo de escola. Regressão logística multinomial foi utilizada para testar as associações entre o uso do tabaco e as variáveis independentes.</p></sec><sec><title>Resultados:</title><p> A prevalência do uso do tabaco foi de 18.9%. Meninas apresentaram 3.80 vezes mais chances de usarem tabaco na frequência semanalmente a diariamente comparado aos meninos. Os participantes que responderam ser o grupo de amigos da igreja o mais importante tiveram um risco menor de usarem tabaco com maior frequência em comparação aos adolescentes que consideraram o grupo de amigos da escola.</p></sec><sec><title>Conclusões:</title><p> A prevalência do uso de tabaco foi alta na amostra estudada e foi associada a rede de amigos da escola (em comparação aos amigos da igreja), gênero feminino e melhores condições socioeconômicas.</p></sec>
<sec><title>Aim:</title><p> To determine the prevalence of tobacco use and its association with types of friendship networks, socioeconomic status and gender among Brazilian adolescents.</p></sec><sec><title>Methods:</title><p> A cross-sectional study was carried out with a representative sample of 905 students aged 15 to 19 years. Information on social networks and tobacco use was collected by the self-administered questionnaire 'Alcohol, Smoking and Substance Involvement Screening Test" and the question "What is your most important group of close friends?'. Socioeconomic status was assessed using an area-based social vulnerability index and type of school. Multinomial logistic regression analysis was employed to test associations between tobacco use and the independent variables.</p></sec><sec><title>Results:</title><p> The overall prevalence of tobacco use was 18.9%. Female adolescents had 3.80-fold greater odds of reporting weekly to daily tobacco use compared to male adolescents. Participants who reported that their most important groups of close friends were from church had a lower risk of reporting weekly to daily tobacco use in comparison to those who reported that their best friends were from school.</p></sec><sec><title>Conclusions:</title><p> The prevalence of tobacco use was high and was associated with school-based (as compared to church-based) friendship networks, female gender and higher area-level socioeconomic status.</p></sec>
https://doi.org/10.1590/1413-81232015205.13542014
867 downloads
15.
Growing knowledge: an overview of Seed Plant diversity in Brazil
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Zappi, Daniela C.
; Filardi, Fabiana L. Ranzato
; Leitman, Paula
; Souza, Vinícius C.
; Walter, Bruno M.T.
; Pirani, José R.
; Morim, Marli P.
; Queiroz, Luciano P.
; Cavalcanti, Taciana B.
; Mansano, Vidal F.
; Forzza, Rafaela C.
; Abreu, Maria C.
; Acevedo-Rodríguez, Pedro
; Agra, Maria F.
; Almeida Jr., Eduardo B.
; Almeida, Gracineide S.S.
; Almeida, Rafael F.
; Alves, Flávio M.
; Alves, Marccus
; Alves-Araujo, Anderson
; Amaral, Maria C.E.
; Amorim, André M.
; Amorim, Bruno
; Andrade, Ivanilza M.
; Andreata, Regina H.P.
; Andrino, Caroline O.
; Anunciação, Elisete A.
; Aona, Lidyanne Y.S.
; Aranguren, Yani
; Aranha Filho, João L.M.
; Araújo, Andrea O.
; Araújo, Ariclenes A.M.
; Araújo, Diogo
; Arbo, María M.
; Assis, Leandro
; Assis, Marta C.
; Assunção, Vivian A.
; Athiê-Souza, Sarah M.
; Azevedo, Cecilia O.
; Baitello, João B.
; Barberena, Felipe F.V.A.
; Barbosa, Maria R.V.
; Barros, Fábio
; Barros, Lucas A.V.
; Barros, Michel J.F.
; Baumgratz, José F.A.
; Bernacci, Luis C.
; Berry, Paul E.
; Bigio, Narcísio C.
; Biral, Leonardo
; Bittrich, Volker
; Borges, Rafael A.X.
; Bortoluzzi, Roseli L.C.
; Bove, Cláudia P.
; Bovini, Massimo G.
; Braga, João M.A.
; Braz, Denise M.
; Bringel Jr., João B.A.
; Bruniera, Carla P.
; Buturi, Camila V.
; Cabral, Elza
; Cabral, Fernanda N.
; Caddah, Mayara K.
; Caires, Claudenir S.
; Calazans, Luana S.B.
; Calió, Maria F.
; Camargo, Rodrigo A.
; Campbell, Lisa
; Canto-Dorow, Thais S.
; Carauta, Jorge P.P.
; Cardiel, José M.
; Cardoso, Domingos B.O.S.
; Cardoso, Leandro J.T.
; Carneiro, Camila R.
; Carneiro, Cláudia E.
; Carneiro-Torres, Daniela S.
; Carrijo, Tatiana T.
; Caruzo, Maria B.R.
; Carvalho, Maria L.S.
; Carvalho-Silva, Micheline
; Castello, Ana C.D.
; Cavalheiro, Larissa
; Cervi, Armando C.
; Chacon, Roberta G.
; Chautems, Alain
; Chiavegatto, Berenice
; Chukr, Nádia S.
; Coelho, Alexa A.O.P.
; Coelho, Marcus A.N.
; Coelho, Rubens L.G.
; Cordeiro, Inês
; Cordula, Elizabeth
; Cornejo, Xavier
; Côrtes, Ana L.A.
; Costa, Andrea F.
; Costa, Fabiane N.
; Costa, Jorge A.S.
; Costa, Leila C.
; Costa-e-Silva, Maria B.
; Costa-Lima, James L.
; Cota, Maria R.C.
; Couto, Ricardo S.
; Daly, Douglas C.
; De Stefano, Rodrigo D.
; De Toni, Karen
; Dematteis, Massimiliano
; Dettke, Greta A.
; Di Maio, Fernando R.
; Dórea, Marcos C.
; Duarte, Marília C.
; Dutilh, Julie H.A.
; Dutra, Valquíria F.
; Echternacht, Lívia
; Eggers, Lilian
; Esteves, Gerleni
; Ezcurra, Cecilia
; Falcão Junior, Marcus J.A.
; Feres, Fabíola
; Fernandes, José M.
; Ferreira, D.M.C.
; Ferreira, Fabrício M.
; Ferreira, Gabriel E.
; Ferreira, Priscila P.A.
; Ferreira, Silvana C.
; Ferrucci, Maria S.
; Fiaschi, Pedro
; Filgueiras, Tarciso S.
; Firens, Marcela
; Flores, Andreia S.
; Forero, Enrique
; Forster, Wellington
; Fortuna-Perez, Ana P.
; Fortunato, Reneé H.
; Fraga, Cléudio N.
; França, Flávio
; Francener, Augusto
; Freitas, Joelcio
; Freitas, Maria F.
; Fritsch, Peter W.
; Furtado, Samyra G.
; Gaglioti, André L.
; Garcia, Flávia C.P.
; Germano Filho, Pedro
; Giacomin, Leandro
; Gil, André S.B.
; Giulietti, Ana M.
; A.P.Godoy, Silvana
; Goldenberg, Renato
; Gomes da Costa, Géssica A.
; Gomes, Mário
; Gomes-Klein, Vera L.
; Gonçalves, Eduardo Gomes
; Graham, Shirley
; Groppo, Milton
; Guedes, Juliana S.
; Guimarães, Leonardo R.S.
; Guimarães, Paulo J.F.
; Guimarães, Elsie F.
; Gutierrez, Raul
; Harley, Raymond
; Hassemer, Gustavo
; Hattori, Eric K.O.
; Hefler, Sonia M.
; Heiden, Gustavo
; Henderson, Andrew
; Hensold, Nancy
; Hiepko, Paul
; Holanda, Ana S.S.
; Iganci, João R.V.
; Imig, Daniela C.
; Indriunas, Alexandre
; Jacques, Eliane L.
; Jardim, Jomar G.
; Kamer, Hiltje M.
; Kameyama, Cíntia
; Kinoshita, Luiza S.
; Kirizawa, Mizué
; Klitgaard, Bente B.
; Koch, Ingrid
; Koschnitzke, Cristiana
; Krauss, Nathália P.
; Kriebel, Ricardo
; Kuntz, Juliana
; Larocca, João
; Leal, Eduardo S.
; Lewis, Gwilym P.
; Lima, Carla T.
; Lima, Haroldo C.
; Lima, Itamar B.
; Lima, Laíce F.G.
; Lima, Laura C.P.
; Lima, Leticia R.
; Lima, Luís F.P.
; Lima, Rita B.
; Lírio, Elton J.
; Liro, Renata M.
; Lleras, Eduardo
; Lobão, Adriana
; Loeuille, Benoit
; Lohmann, Lúcia G.
; Loiola, Maria I.B.
; Lombardi, Julio A.
; Longhi-Wagner, Hilda M.
; Lopes, Rosana C.
; Lorencini, Tiago S.
; Louzada, Rafael B.
; Lovo, Juliana
; Lozano, Eduardo D.
; Lucas, Eve
; Ludtke, Raquel
; Luz, Christian L.
; Maas, Paul
; Machado, Anderson F.P.
; Macias, Leila
; Maciel, Jefferson R.
; Magenta, Mara A.G.
; Mamede, Maria C.H.
; Manoel, Evelin A.
; Marchioretto, Maria S.
; Marques, Juliana S.
; Marquete, Nilda
; Marquete, Ronaldo
; Martinelli, Gustavo
; Martins da Silva, Regina C.V.
; Martins, Ângela B.
; Martins, Erika R.
; Martins, Márcio L.L.
; Martins, Milena V.
; Martins, Renata C.
; Matias, Ligia Q.
; Maya-L., Carlos A.
; Mayo, Simon
; Mazine, Fiorella
; Medeiros, Debora
; Medeiros, Erika S.
; Medeiros, Herison
; Medeiros, João D.
; Meireles, José E.
; Mello-Silva, Renato
; Melo, Aline
; Melo, André L.
; Melo, Efigênia
; Melo, José I.M.
; Menezes, Cristine G.
; Menini Neto, Luiz
; Mentz, Lilian A.
; Mezzonato, A.C.
; Michelangeli, Fabián A.
; Milward-de-Azevedo, Michaele A.
; Miotto, Silvia T.S.
; Miranda, Vitor F.O.
; Mondin, Cláudio A.
; Monge, Marcelo
; Monteiro, Daniele
; Monteiro, Raquel F.
; Moraes, Marta D.
; Moraes, Pedro L.R.
; Mori, Scott A.
; Mota, Aline C.
; Mota, Nara F.O.
; Moura, Tania M.
; Mulgura, Maria
; Nakajima, Jimi N.
; Nardy, Camila
; Nascimento Júnior, José E.
; Noblick, Larry
; Nunes, Teonildes S.
; O'Leary, Nataly
; Oliveira, Arline S.
; Oliveira, Caetano T.
; Oliveira, Juliana A.
; Oliveira, Luciana S.D.
; Oliveira, Maria L.A.A.
; Oliveira, Regina C.
; Oliveira, Renata S.
; Oliveira, Reyjane P.
; Paixão-Souza, Bruno
; Parra, Lara R.
; Pasini, Eduardo
; Pastore, José F.B.
; Pastore, Mayara
; Paula-Souza, Juliana
; Pederneiras, Leandro C.
; Peixoto, Ariane L.
; Pelissari, Gisela
; Pellegrini, Marco O.O.
; Pennington, Toby
; Perdiz, Ricardo O.
; Pereira, Anna C.M.
; Pereira, Maria S.
; Pereira, Rodrigo A.S.
; Pessoa, Clenia
; Pessoa, Edlley M.
; Pessoa, Maria C.R.
; Pinto, Luiz J.S.
; Pinto, Rafael B.
; Pontes, Tiago A.
; Prance, Ghillean T.
; Proença, Carolyn
; Profice, Sheila R.
; Pscheidt, Allan C.
; Queiroz, George A.
; Queiroz, Rubens T.
; Quinet, Alexandre
; Rainer, Heimo
; Ramos, Eliana
; Rando, Juliana G.
; Rapini, Alessandro
; Reginato, Marcelo
; Reis, Ilka P.
; Reis, Priscila A.
; Ribeiro, André R.O.
; Ribeiro, José E.L.S.
; Riina, Ricarda
; Ritter, Mara R.
; Rivadavia, Fernando
; Rocha, Antônio E.S.
; Rocha, Maria J.R.
; Rodrigues, Izabella M.C.
; Rodrigues, Karina F.
; Rodrigues, Rodrigo S.
; Rodrigues, Rodrigo S.
; Rodrigues, Vinícius T.
; Rodrigues, William
; Romaniuc Neto, Sérgio
; Romão, Gerson O.
; Romero, Rosana
; Roque, Nádia
; Rosa, Patrícia
; Rossi, Lúcia
; Sá, Cyl F.C.
; Saavedra, Mariana M.
; Saka, Mariana
; Sakuragui, Cássia M.
; Salas, Roberto M.
; Sales, Margareth F.
; Salimena, Fatima R.G.
; Sampaio, Daniela
; Sancho, Gisela
; Sano, Paulo T.
; Santos, Alessandra
; Santos, Élide P.
; Santos, Juliana S.
; Santos, Marianna R.
; Santos-Gonçalves, Ana P.
; Santos-Silva, Fernanda
; São-Mateus, Wallace
; Saraiva, Deisy P.
; Saridakis, Dennis P.
; Sartori, Ângela L.B.
; Scalon, Viviane R.
; Schneider, Ângelo
; Sebastiani, Renata
; Secco, Ricardo S.
; Senna, Luisa
; Senna-Valle, Luci
; Shirasuna, Regina T.
; Silva Filho, Pedro J.S.
; Silva, Anádria S.
; Silva, Christian
; Silva, Genilson A.R.
; Silva, Gisele O.
; Silva, Márcia C.R.
; Silva, Marcos J.
; Silva, Marcos J.
; Silva, Otávio L.M.
; Silva, Rafaela A.P.
; Silva, Saura R.
; Silva, Tania R.S.
; Silva-Gonçalves, Kelly C.
; Silva-Luz, Cíntia L.
; Simão-Bianchini, Rosângela
; Simões, André O.
; Simpson, Beryl
; Siniscalchi, Carolina M.
; Siqueira Filho, José A.
; Siqueira, Carlos E.
; Siqueira, Josafá C.
; Smith, Nathan P.
; Snak, Cristiane
; Soares Neto, Raimundo L.
; Soares, Kelen P.
; Soares, Marcos V.B.
; Soares, Maria L.
; Soares, Polyana N.
; Sobral, Marcos
; Sodré, Rodolfo C.
; Somner, Genise V.
; Sothers, Cynthia A.
; Sousa, Danilo J.L.
; Souza, Elnatan B.
; Souza, Élvia R.
; Souza, Marcelo
; Souza, Maria L.D.R.
; Souza-Buturi, Fátima O.
; Spina, Andréa P.
; Stapf, María N.S.
; Stefano, Marina V.
; Stehmann, João R.
; Steinmann, Victor
; Takeuchi, Cátia
; Taylor, Charlotte M.
; Taylor, Nigel P.
; Teles, Aristônio M.
; Temponi, Lívia G.
; Terra-Araujo, Mário H.
; Thode, Veronica
; Thomas, W.Wayt
; Tissot-Squalli, Mara L.
; Torke, Benjamin M.
; Torres, Roseli B.
; Tozzi, Ana M.G.A.
; Trad, Rafaela J.
; Trevisan, Rafael
; Trovó, Marcelo
; Valls, José F.M.
; Vaz, Angela M.S.F.
; Versieux, Leonardo
; Viana, Pedro L.
; Vianna Filho, Marcelo D.M.
; Vieira, Ana O.S.
; Vieira, Diego D.
; Vignoli-Silva, Márcia
; Vilar, Thaisa
; Vinhos, Franklin
; Wallnöfer, Bruno
; Wanderley, Maria G.L.
; Wasshausen, Dieter
; Watanabe, Maurício T.C.
; Weigend, Maximilian
; Welker, Cassiano A.D.
; Woodgyer, Elizabeth
; Xifreda, Cecilia C.
; Yamamoto, Kikyo
; Zanin, Ana
; Zenni, Rafael D.
; Zickel, Carmem S
.
Resumo Um levantamento atualizado das plantas com sementes e análises relevantes acerca desta biodiversidade são apresentados. Este trabalho se iniciou em 2010 com a publicação do Catálogo de Plantas e Fungos e, desde então vem sendo atualizado por mais de 430 especialistas trabalhando online. O Brasil abriga atualmente 32.086 espécies nativas de Angiospermas e 23 espécies nativas de Gimnospermas e estes novos dados mostram um aumento de 3% da riqueza em relação a 2010. A Amazônia é o Domínio Fitogeográfico com o maior número de espécies de Gimnospermas, enquanto que a Floresta Atlântica possui a maior riqueza de Angiospermas. Houve um crescimento considerável no número de espécies e nas taxas de endemismo para a maioria dos Domínios (Caatinga, Cerrado, Floresta Atlântica, Pampa e Pantanal), com exceção da Amazônia que apresentou uma diminuição de 2,5% de endemicidade. Entretanto, a maior parte das plantas com sementes que ocorrem no Brasil (57,4%) é endêmica deste território. A proporção de formas de vida varia de acordo com os diferentes Domínios: árvores são mais expressivas na Amazônia e Floresta Atlântica do que nos outros biomas, ervas são dominantes no Pampa e as lianas apresentam riqueza expressiva na Amazônia, Floresta Atlântica e Pantanal. Este trabalho não só quantifica a biodiversidade brasileira, mas também indica as lacunas de conhecimento e o desafio a ser enfrentado para a conservação desta flora.
Abstract An updated inventory of Brazilian seed plants is presented and offers important insights into the country's biodiversity. This work started in 2010, with the publication of the Plants and Fungi Catalogue, and has been updated since by more than 430 specialists working online. Brazil is home to 32,086 native Angiosperms and 23 native Gymnosperms, showing an increase of 3% in its species richness in relation to 2010. The Amazon Rainforest is the richest Brazilian biome for Gymnosperms, while the Atlantic Rainforest is the richest one for Angiosperms. There was a considerable increment in the number of species and endemism rates for biomes, except for the Amazon that showed a decrease of 2.5% of recorded endemics. However, well over half of Brazillian seed plant species (57.4%) is endemic to this territory. The proportion of life-forms varies among different biomes: trees are more expressive in the Amazon and Atlantic Rainforest biomes while herbs predominate in the Pampa, and lianas are more expressive in the Amazon, Atlantic Rainforest, and Pantanal. This compilation serves not only to quantify Brazilian biodiversity, but also to highlight areas where there information is lacking and to provide a framework for the challenge faced in conserving Brazil's unique and diverse flora.
https://doi.org/10.1590/2175-7860201566411
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