To evaluate the effectiveness of self-etching bond system in repair of sphenoid defects.
目的评价自酸蚀粘接修复楔状缺损的效果。
PURPOSE: To compare the efficacy of self-etching bond system and composite resin in repair of dental defects.
目的：比较自酸蚀粘接系统和复合树脂修复牙体缺损的效果。
Objective: To compare the efficacy of self-etching bond system and composite resin in pair of dental defects.
目的：比较自酸蚀和全酸蚀粘结系统对牙釉质的剪切粘结强度，为临床提供粘结术式选择的依据。
Conclusion: Using of self-etching bond system and composite resin to repair dental defects has indicated perfect retention and marginal sealing, which is worthy of wide clinical application.
结论：应用自酸蚀粘接系统和复合树脂修复牙体缺损，可以获得较好的固位性能和边缘封闭性，值得临床推广。
CONCLUSIONS: Using of self-etching bond system and composite resin to repair dental defects has indicated perfect retention and marginal sealing, which is worthy of wide clinical application.
结论：应用自酸蚀粘接系统和复合树脂修复牙体缺损，可以获得较好的固位性能和边缘封闭性，值得在临床上推广。
Conclusion The bond strength of self-etching method for bracket can satisfy the qualification of orthodontic treatment.
结论自酸蚀粘接剂使用简单，粘接强度可靠，能够满足正畸临床需要。
Conclusion The bond strength of self-etching method for bracket can satisfy the qualification of orthodontic treatment.
结论自酸蚀粘接剂使用简单，粘接强度可靠，能够满足正畸临床需要。
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