Bojar Witold, Czarnecka Beata, Pryliński Mariusz, Walory Jarosław
Department of Medical Devices, National Medicines Institute, Warsaw, Poland.
Acta Bioeng Biomech. 2009;11(3):41-5.
The idea of using ozone to disinfect root canals is of recent origin. The wide acceptance of epoxy resin-based sealers lead us to investigate whether ozone can influence the adhesion to the dentin. In this study, we tested the shear bond strength of AH Plus and EZ Fill. Forty freshly extracted bovine teeth were randomly divided into 5 groups. 16 of these samples were treated with ozone for 60 seconds (HealOzone, Kavo). 8 samples were conditioned with the G Bond bonding system. The groups tested were: (1) AH Plus, (2) AH Plus and ozone, (3) EZ Fill, (4) EZ Fill and ozone, (5) AH Plus and G Bond. 48 hours after being prepared the specimens were tested for shear bond strength. Statistical analysis showed significant differences between materials (AH Plus > EZ Fill) and significant, positive influence of ozone and bonding agent on the shear bond strength.
使用臭氧对根管进行消毒的想法是最近才出现的。基于环氧树脂的封闭剂被广泛接受，这促使我们研究臭氧是否会影响对牙本质的黏附力。在本研究中，我们测试了AH Plus和EZ Fill的剪切粘结强度。40颗新鲜拔除的牛牙被随机分为5组。其中16个样本用臭氧处理60秒（HealOzone，卡瓦公司）。8个样本用G Bond粘结系统进行预处理。测试的组为：（1）AH Plus，（2）AH Plus和臭氧，（3）EZ Fill，（4）EZ Fill和臭氧，（5）AH Plus和G Bond。制备后48小时对标本进行剪切粘结强度测试。统计分析表明，材料之间存在显著差异（AH Plus > EZ Fill），并且臭氧和粘结剂对剪切粘结强度有显著的正向影响。
