期刊
AUSTRALIAN ENDODONTIC JOURNAL
卷 49, 期 1, 页码 159-164出版社
WILEY
DOI: 10.1111/aej.12641
关键词
cavity disinfection; laser; mineral trioxide aggregate; ozone; shear bond strength
This study compared the effects of three different cavity disinfection protocols on the bond strength between resin-modified glass ionomer cement and mineral trioxide aggregate. The results showed that chlorhexidine gluconate decreased the bond strength, while ozone and laser had no negative effect.
This study compared the effects of 3 different cavity disinfection protocols (CDP) on the shear bond strength (SBS) of resin-modified glass ionomer cement (RM-GIC) to mineral trioxide aggregate (MTA). One hundred eighty standard holes were prepared and filled with MTA. They then divided into 3 main groups based on the chosen time intervals (15 min, 24 h, and 72 h). Main groups were divided into 3 subgroups based on the CDP [chlorhexidine gluconate (CHX), ozone, laser, and control]. RM-GIC was applied on MTA after CDP for all groups. A universal testing device was then used for test and the data was statistically analysed. CHX showed significantly lower SBS values except ozone and laser than the control (p < 0.05). There were no statistically significant differences among the time intervals. As a result, CHX decreased the bond strength between the MTA and RM-GIC while ozone and laser had no negative effect.
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