前牙桩冠修复失败原因初步分析口腔科余彤１临床资料从我科临床收集因桩冠损坏就诊患者９２例，年龄２５～７４岁，其中男性６８例，女性２４例。失败原因见表１。２讨论２．１从临床资料分析可以看出，桩冠失败的原因以柱钉脱落最为常见，其次为牙面损坏。提示在制作过程... A preliminary analysis of the reasons for the failure of the anterior teeth post crown repair Tong Yu Yu Tong 1 clinical data collected from our clinic for 92 patients with post crown damage, aged 25 to 74 years, 68 males and 24 females. The reasons for the failure are shown in Table 1.2 Discussion 2.1 Analysis of clinical data can be seen, the reason for the failure of the pile crown studs off the most common, followed by tooth damage. Tips in the production process ...