Abstract Objective: To compare the prostaglandin E2 (PGE2) levels of gingival crevicular fluid in generalized chronic periodontitis between healthy and type 2 diabetic patients. Material and Methods: 56 diabetic and non-diabetic participants with generalized chronic periodontitis were selected randomly. They were divided into two groups (G1: generalized chronic periodontitis patients with normal blood sugar; and G2: generalized chronic periodontitis patients with diabetes). Gingival crevicular fluid samples were obtained from both groups. The average of 2 samples per day were centrifuged in a laboratory at 2500 rpm and temperature of 4°C for 5 minutes and placed in a refrigerator at -20°C. The level of PGE2 was measured using ELISA and Abcam kit. Data were analyzed by Kolmogorov-Smirnov, Mann-Whitney U Test, Pearson and independent T tests. The significant amount was considered 0.05 in this test (α<0.05). Results: The mean level of PGE2 was significantly different in the two groups and the mean level of PGE2 in the control group was lower than the case group. There was no statistically significant relationship between PGE2 with pocket depth, fasting blood sugar (FBS) and HBA1C (p>0.05). Conclusion: PGE2 level of diabetic patient group with chronic generalized periodontitis was significantly more than non-diabetic group with generalized chronic periodontitis.

RESUMEN Objetivos: Varios patógenos son responsables de enfermedades orales y la placa dental y su mecanismo principal es la producción de biofilm. Los productos naturales son puntos de interés para controlar estas infecciones. persica mouthrinse, propolis y miel son algunos de estos productos con considerables efectos antibacterianos. En este estudio, se buscó investigar el efecto sinérgico de estos productos sobre su antibiótico y efecto antibacteriano. Material y Métodos: Se calculó el efecto inhibidor mínimo y la concentración inhibitoria mínima de biofilm de enjuague bucal de persica, propóleos, miel únicamente y en combinación, contra Staphylococcus aureus ATCC 29213, S. epidermidis, Enterococcus faecalis ATCC 29212, Escherichia coli ATCC 25922. Resultados: La combinación de persica y propóleo tuvo un mejor perfil en la inhibición de la biopelícula que la miel. Ninguna de las combinaciones de hierbas tuvo efecto sinérgico contra las bacterias estudiadas; La Se calculó el efecto inhibidor mínimo de la boca de la persica tuvo el mejor efecto contra Streptococcus mutans, que causa la caries. Conclusiones: No hubo efectos sinérgicos de la persica y el propóleo y se observó el mejor efecto antimicrobiano en la concentración mínima inhibitoria de enjuague bucal de persica. Los hallazgos del presente estudio sugieren el uso de otra combinación que la miel, el propóleo y la persica para mejorar la actividad antimicrobiana de estos componentes.

ABSTRACT Aims: Several pathogens are responsible for oral diseases and dental plaque and their main mechanism is biofilm production. Natural products are point of interest for controlling these infections. persica mouthrinse, propolis and honey are some of these products with considerable antibacterial effects. In this study, we aimed to investigate synergy effect of these products on their antibiofilm and antibacterial effect. Material and Methods: Minimal Inhibitory effect and Minimial Biofilm inhibitory concentration of persica mouthrinse, propolis, honey solely and in combination was calculated against Streptococcus mutans ATCC35668, methicillin-resistant Staphylococcus aureus ATCC 33591, Staphylococcus aureus ATCC 29213, Staphylococcus epidermidis, Enterococcus faecalis ATCC 29212 , Escherichia coli ATCC 25922. Results: Combination of persica and propolis had a better profile in biofilm’s inhibition than honey. None of herbal combinations had synergistic effect against studied bacteria; MIC of the persica mouth had the best effect against Streptococcus mutans, which causes caries. Conclusions: There was no synergistic effect of persica and propolis and the best antimicrobial effect was observed on subminimum inhibitory concentration of persica mouthwash. Findings of the present study suggest use of other combination than honey, propolis and persica for improving antimicrobial activity of these components.