After 6 months, secondary caries rate was recorded.
治疗6个月后复查患牙的继发龋情况。
It is discovered that secondary caries and losing of retention are the main reasons for the failure of fixed prostheses.
研究发现，继发龋和冠固位丧失是固定修复失败的主要原因。
Secondary caries occurs on the edge of the restoration. It is the major reason for replacing restoration and causing failure of treatment in clinic.
继发龋是龋病治疗后再度发生的龋损，是迄今为止临床上充填体更换和失败最常见的原因。
Notice Microleakage can cause secondary caries and restoration loose off even bad consequences, such as pulp disease, is one of the factors that lead to repair failure, has serious harm.
微渗漏可导致修复体松动脱落，继发龋齿甚至牙髓病等不良后果，是导致修复失败的主要因素，具有严重的危害性。
However, problems such as technique sensitivity, postoperative sensitivity, secondary caries and discoloration, are commonly encountered in clinical practice, affecting the final restorative result.
但是，临床医生在进行黏结修复时也会碰到技术敏感性、术后敏感、继发龋、修复体着色等多种问题，若处理不当则可能影响最终的修复效果。
Pay attention to oral hygiene and good oral care, postprandial must use toothpicks to remove food residue, and ground mouthwash, dental caries and oral reduce secondary infection.
注意口腔卫生和做好口腔护理，餐后一定要用牙签将食物残渣清除，并勤漱口，减少龋齿和口腔继发感染。
Pay attention to oral hygiene and good oral care, postprandial must use toothpicks to remove food residue, and ground mouthwash, dental caries and oral reduce secondary infection.
注意口腔卫生和做好口腔护理，餐后一定要用牙签将食物残渣清除，并勤漱口，减少龋齿和口腔继发感染。
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