Abstract To exclusively evaluate, in vitro, the efficacy of five intracanal medicaments against Candida albicans and Enterococcus faecalis in infected single-rooted primary teeth. Forty-three teeth were selected, out of which 42 were simultaneously contaminated with C. albicans and E. faecalis, verified by measuring the initial quantification (IQ), whereas one tooth was used as sterile control. Forty-two teeth were then randomly assigned to six groups (n = 7 teeth in each); one was the control group, while the others received calcium hydroxide (CH), camphorated paramonochlorophenol (CMCP), CH/CMCP, chlorhexidine (CHX), or iodoform paste (IP). Two samples from each group were then randomly selected and evaluated under a scanning electron microscope along with the sterile control (n = 1) for qualitative analyses (n = 13). The remaining samples (n = 30) were collected after 7 days of intracanal medicaments (final quantification - FQ) and 7 days after medicament removal (residual quantification – RQ). ANOVA and Tukey’s and c2 tests (p £ 0.05) were performed for the statistical analysis. All the medicaments, except CMCP, significantly reduced the levels of C. albicans from IQ to FQ (p = 0.046). Only CHX (p = 0.000) and IP (p = 0.007) showed a significant reduction from IQ to FQ against E. faecalis. The 2% CHX and IP demonstrated a favorable performance as an intracanal medicament, with a good antimicrobial activity against C. albicans and E. faecalis. evaluate vitro singlerooted single rooted Fortythree Forty three 4 C E IQ, , (IQ) Fortytwo two n each) CH, CH (CH) CMCP (CMCP) CHCMCP CH/CMCP CHX, (CHX) IP. . (IP) 1 13. 13 13) 30 final residual RQ. RQ RQ) Tukeys Tukey s c p 0.05 005 0 05 analysis 0.046. 0046 0.046 046 0.046) 0.000 0000 000 0.007 0007 007 2 (IQ (CH (CMCP (CHX (IP 3 0.0 00 004 0.04 04 0.00 0.

RESUMO Este estudo trata de uma revisão de literatura sobre a influência física e mental da hipnose no paciente Odontopediátrico no controle da ansiedade e da dor. Objetivou-se reunir as evidências encontradas em artigos de análise, pesquisa e revisões sistemáticas, compreendendo o período de 1994 até 2018. Para uma revisão descritiva foram selecionados portais na internet como Bireme, Pubmed, Periódicos Capes, por meio de palavras-chave como: “hypnosis”, “pediatric dentistry”, “fear”, “anesthesia”, “anxiety”, “children” “pain”. Foram apresentados de forma descritiva e concisa relevantes achados referentes às associações entre a hipnose e Odontopediatria e suas aplicações no controle da ansiedade e da dor. Concluiu-se que a hipnose pode aumentar a cooperação do paciente infantil e diminuir a resistência durante os procedimentos odontológicos dolorosos. Apesar dos resultados promissores observados, a hipnose em Odontopediatria ainda é pouco utilizada. Isto ocorre devido à ausência de conhecimento sobre o procedimento e a falta de treinamento durante a formação superior, demonstrando a importância da inclusão deste tema nos currículos dos profissionais de saúde e em suas práticas clínicas.

ABSTRACT This study is a literature review on the physical and mental influence of hypnosis in pediatric patient in controlling anxiety and pain. The objective was to gather the evidence found in the analysis of articles, research and systematic reviews, in the period from 1994 to 2018. For a descriptive review were selected Internet portals as Medicine®, Pubmed, Capes, using keywords like: “hypnosis”, “pediatric dentistry”, “fear”, “anesthesia”, “anxiety”, “children”, “pain”. Descriptively and concisely, they presented relevant findings regarding associations between hypnosis and dentistry and their applications in controlling anxiety and pain. It was concluded that hypnosis could increase the cooperation of the child patient and decrease the resistance during painful dental procedures. Despite the promising results observed, hypnosis in pediatric dentistry is still seldom used. This may be due to lack of knowledge about the procedure and the absence of formal education, indicating the importance of including Hypnosis in the healthcare professionals’ curriculum and their practices.

The present study evaluated the antimicrobial activity of three root canal irrigants against Enterococcus faecalis, Candida albicans, and Staphylococcus aureus. These microorganisms were incubated in the presence of citric acid (6 and 10%), EDTA (17%), and NaOCl (0.5, 1.0, 2.5, and 5.25%). Agar diffusion tests were performed and redox indicator resazurin was used to evaluate the inhibitory effect of the irrigants on the metabolic activity of these microorganisms. The mean diameters of the inhibition zones for the C. albicans cultures were 11.6 mm (17% EDTA), 5.5 mm (0.5% NaOCl), 12.9 mm (1% NaOCl), 22.1 mm (2.5% NaOCl), and 28.5 mm (5.25% NaOCl). The mean diameters of the inhibition zones for E. faecalis were 2.8 mm (1% NaOCl), 5.4 mm (2.5% NaOCl), and 8.3 mm (5.25% NaOCl). For S. aureus, the mean values were 8.0 mm (17% EDTA), 3.0 mm (1% NaOCl), 8.8 mm (2.5% NaOCl), and 10.0 mm (5.25% NaOCl). Most of the irrigant solutions presented effective antimicrobial activity against C. albicans. A high inhibitory effect on the metabolic activity of E. faecalis was detected when the microorganisms were incubated with 17% EDTA. The same result was reached when S. aureus was incubated in the presence of > 2.5% NaOCl. Altogether, these results indicate that 2.5% and 5.25% NaOCl are microbicides against S. aureus while 0.5% and 1% NaOCl are only microbiostatic against the tested bacteria. The 6% and 10% citric acid as well as 17% EDTA did not affect the viability of any of the assayed microorganisms.

The aim of this study is to assess the in vitro shear bond strength and adhesive remnant index (ARI) of one and two-step fluoridated orthodontic resins under conditions that simulate high cariogenic challenge. Edgewise brackets for maxillary central incisors were randomly bonded to 80 bovine incisors, using either TransbondTM Plus Color Change orthodontic resin and a self-etching primer adhesive (G1; n = 40) or Orthodontic Fill Magic with a conventional acid-etch technique (G2; n = 40). Each group of resin (n = 10) was divided into: immediate shear (A- pre-cycling control), immersion in artificial remineralizing saliva (neutral saliva) for 14 days (B- post-cycling control) and pH cycling with high cariogenic challenge (C- acid saliva with pH 5.5 and D- acid saliva with pH 4.5). After 14 days of pH cycling, the shear bond strength and ARI were evaluated. Considering the shear bond strength, TransbondTM Plus Color Change resin was stronger than Orthodontic Fill Magic when it was submitted to high cariogenic challenge (p < 0.05). Also TransbondTM Plus Color Change resin showed better adhesion to enamel than Orthodontic Fill Magic, in all situations evaluated (p < 0.05). It could be concluded that TransbondTM Plus Color Change resin presented better shear bond strength and adhesive remnant index when submitted to high cariogenic challenge, in comparison with Orthodontic Fill Magic.

O objetivo do presente estudo foi avaliar in vitro o efeito preventivo a cárie de resinas ortodônticas fluoretadas submetidas à ciclagem de pH utilizando dois tipos de saliva desmineralizadora. Bráquetes de incisivos centrais foram colados em 60 incisivos bovinos, utilizando a resina ortodôntica Transbond Plus Color Change (n=30) ou Fill Magic (n=30). Cada grupo foi dividido em 3 subgrupos (n=10): imersão em saliva artificial remineralizante por 14 dias e simulação de alto desafio cariogênico com ciclagem de pH em saliva ácida com pH 5,5 ou pH 4,5. Após 14 dias de ciclagem de pH, o efeito preventivo de cárie foi avaliado por meio da formação de halo de inibição da mancha branca, adotando-se os escores: 0-ausência e 1-presença. Os testes Kruskal Wallis e Man-Whitney (a=0,05) foram aplicados. A formação de lesões de mancha branca foi observada somente na ciclagem de pH com saliva ácida a pH 4,5; sendo o Transbond Plus Color Change significantemente mais efetivo na prevenção ao desenvolvimento de mancha branca quando comparados ao Fill Magic (p<0,05). O pH da solução desmineralizante influenciou na formação de lesões de mancha branca circunjacentes aos bráquetes em condições de alto desafio cariogênico. A Transbond Plus Color Change apresentou maior efeito preventivo de cárie em relação ao Fill Magic.

The aim of the present study was to evaluate the in vitro caries preventive effect of fluoridated orthodontic resins under pH cycling with two types of acid demineralizing saliva. Brackets were bonded to 60 bovine incisors, using either Transbond Plus Color Change (n=30) or Orthodontic Fill Magic (n=30) orthodontic resins. Each group of resin was divided into 3 subgroups (n=10): immersion in remineralizing artificial saliva for 14 days, pH cycling with high cariogenic challenge in acid saliva with pH 5.5, and acid saliva with pH 4.5. After 14 days of pH cycling, the caries preventive effect on the development of white spot lesion was evaluated considering the presence of inhibition zones to white spot lesions using two scores: 0= absence and 1= presence. Kruskal Wallis and Mann-Whitney tests (a=0.05) were used. Formation of white spot lesions was observed only under pH cycling using acid saliva with pH 4.5; with Transbond Plus Color Change being significantly more effective (p<0.05) in preventing the appearance of white spot lesions effect than Orthodontic Fill Magic. The acidity of the demineralizing solution influenced the formation of white spot lesions around orthodontic brackets under highly cariogenic conditions. Transbond Plus Color Change resin presented higher caries preventive effect than Orthodontic Fill Magic.

INTRODUÇÃO: o conhecimento da situação epidemiológica da população é importante para o planejamento e execução dos serviços odontológicos. OBJETIVOS: avaliar a prevalência de más oclusões em escolares de 9 a 12 anos de idade da rede municipal de ensino da cidade de Nova Friburgo (Rio de Janeiro). MÉTODOS: a amostra, selecionada aleatoriamente, foi composta por 407 crianças (53,1% do gênero feminino), que foram avaliadas por um profissional treinado, após autorização de seus responsáveis. RESULTADOS: as más oclusões mais prevalentes foram apinhamento (45,5%), sobressaliência exagerada (29,7%), mordida cruzada posterior (19,2%), diastemas anteriores (16,2%), dente parcialmente irrompido (12,0%) e sobremordida exagerada (10,8%). A relação molar mais presente foi a de Classe I (76,7%). A presença de diastemas foi maior no gênero feminino e a sobremordida exagerada foi mais prevalente no gênero masculino, ambas na dentição mista. Sobressaliência negativa e presença de dente parcialmente irrompido tiveram maior prevalência na dentição permanente. CONCLUSÃO: observou-se que a simples avaliação da prevalência das más oclusões não revela a gravidade nem a hierarquia da necessidade de tratamento, fatores importantes no planejamento em Saúde Pública.

INTRODUCTION: Knowledge of a population's epidemiological situation is important in the planning and provision of dental services. OBJECTIVES: Assess the prevalence of malocclusion in children aged 9 to 12 years old from public schools in the city of Nova Friburgo, Rio de Janeiro State, Brazil. METHODS: A randomly selected sample consisting of 407 children (53.1% female) who were evaluated by a trained professional, after parental consent. RESULTS: The most prevalent malocclusions were crowding (45.5%), excessive overjet (29.7%), posterior crossbite (19.2%), anterior diastema (16.2%), partially erupted teeth (12.0%) and excessive overbite (10.8%). Class I molar relationship prevailed (76.7%). The presence of diastemas was higher in females and excessive overbite was more prevalent in males, both in mixed dentition. Negative overjet and the presence of partially erupted teeth had a higher prevalence in permanent dentition. CONCLUSION: It was observed that the mere evaluation of malocclusion prevalence does not reveal case severity or treatment need, both of which are important factors in public health planning.

The present study aimed to evaluate the need for orthodontic treatment in Brazilian schoolchildren presenting both late mixed dentition and early permanent dentition as well as to determine the possible factors associated with this necessity. Our randomly selected sample consisted of 407 schoolchildren aged between 9 and 12 years from Nova Friburgo (State of Rio de Janeiro), Brazil. All the children were evaluated according to the two components of the Index of Orthodontic Treatment Need (IOTN), namely, the Dental Health Component (DHC) and the Aesthetic Component (AC). Data analysis involved multiple logistic regression. Definite need for orthodontic treatment was found in 34.2% and 11.3% of the children according to, respectively, DHC and AC. The most prevalent malocclusions included the following: contact point displacement (crowding), crossbite, and increased overjet. Male gender, permanent dentition and aesthetic reasons were factors associated with a great need for orthodontic treatment. It was concluded that about one-third of the children evaluated had a definite need for orthodontic treatment. This necessity was greater in the permanent dentition, thus emphasizing the importance of an early identification of malocclusions and a timely referral of patients for treatment. The correlation between AC and DHC was considered important since they involve distinctive characteristics.

As má oclusões são consideradas problemas de saúde pública e, como tal, necessitam de um método de avaliação uniforme que priorize o atendimento dos indivíduos com maior necessidade de tratamento ortodôntico. Dentre os vários índices oclusais desenvolvidos com esta finalidade, o Índice de Necessidade de Tratamento Ortodôntico tem sido muito utilizado em diversos países. Como no Brasil a demanda por este tipo de tratamento nos serviços públicos excede a oferta, observa-se a necessidade da implementação de um meio adequado de seleção de pacientes. Assim, objetiva-se elucidar a forma de aplicação deste índice e os seus benefícios, pois o mesmo pode ser bastante útil em encaminhamentos e triagens ao tratamento ortodôntico.

Malocclusions are considered public health problems, needing a uniform method of assessment that prioritizes the attendance of individuals with greater orthodontic treatment need. Among the several oclusal indices developed with this purpose, the Index of Orthodontic Treatment Need has been used in many countries. As the demand for this treatment in public services in Brazil exceeds the offers, there is a need to implement an adequate method of patient's selection. Thus, the aim of this article is to elucidate this index methodology and its benefits, because it can be very useful in orthodontic treatment referrals and triages.