Effect of addition of chitosan to self-etching primer: antibacterial activity and push-out bond strength to radicular dentin
Shaymaa Elsaka
Amr Elnaghy
摘要：The purpose of this study was to evaluate the antibacterial activity of a modified self-etching primer incorporating chitosan and whether this modification affected the bond strength to radicular dentin.A modified self-etching primer was prepared by adding chitosan solutions at 0.03％,0.06％,0.12％ and 0.25％ (W/W) to RealSeal selfetching primer.RealSeal primer without chitosan was used as the control.The antibacterial activity of the modified self-etching primer was evaluated using the direct contact test against Enterococcus faecalis.The bonding ability of the RealSeal system to radicular dentin was evaluated using the push-out bond strength test.The modes of failure were examined under a stereomicroscope.Data were analyzed using analysis of variance (ANOVA) and Tukey's test,with a P-value ＜ 0.05 indicating statistical significance.The results showed that the antibacterial properties of the freshly prepared and aged modified self-etching primer incorporating chitosan exhibited potent antibacterial effect against Enterococcus faecalis compared with the unmodified primer.The RealSeal system with the aged modified self-etching primer incorporating chitosan showed no significant differences in the bond strength as compared with the control (P =0.99).The findings suggest that modified self-etch(.)ng primer incorporating chitosan is a promising antibacterial primer which does not adversely affect the bond strength of the RealSeal system to radicular dentin.
机标关键词：bond strengthantibacterial activitystatistical significanceantibacterial propertiesantibacterial effectanalysis of variancestrength ofthe aged
分类号：R783(口腔矫形学、牙科美学)
论文发表日期：2012-01-01
在线出版日期：2025-08-15（本平台首次上网日期，不代表文献的发表时间）
英文信息