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首页> 外文期刊>The Journal of Prosthetic Dentistry >Two-year clinical evaluation of direct and indirect composite restorations in posterior teeth.
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Two-year clinical evaluation of direct and indirect composite restorations in posterior teeth.

机译：后牙直接和间接复合修复的两年临床评估。

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STATEMENT OF PROBLEM: Few long-term clinical studies have reported data of modern posterior composites as direct and indirect restorations. PURPOSE: This prospective, long-term clinical trial (1) evaluated direct and indirect composite restorations for clinical acceptability as posterior restoratives in single or multisurface carious teeth and (2) provided a survey on the 2-year results. MATERIAL AND METHODS: Nine dental students placed 88 composite restorations (Tetric, blend-a-lux, Pertac-Hybrid Unifil), 43 direct composite restorations and 45 indirect inlays, under the supervision of an experienced dentist. The first clinical evaluation was performed 11 to 13 months after placement by 2 other experienced dentists, using modified USPHS criteria. A second follow-up of 60 restorations took place within 20 to 26 months after placement. RESULTS: A total of 93% of indirect and 90% of direct composite restorations were assessed to be clinically excellent or acceptable. Two restorations (1 indirect composite inlay and 1 margin of a direct composite restoration) failed during the second year because of fracture. Indirect inlays demonstrated a significantly better "anatomic form of the surface" than direct composite restorations. Premolars revealed a significantly better margin integrity and postoperative symptoms than molars. CONCLUSION: Posterior composite restorations provided a satisfactory clinical performance over a 2-year period when placed by relatively inexperienced but supervised students.
机译：问题陈述：很少有长期的临床研究报告过现代后路复合材料作为直接和间接修复体的数据。目的：这项前瞻性，长期的临床试验（1）对直接或间接复合修复体作为单颗或多表面龋齿中的后牙修复剂的临床可接受性进行了评估，并且（2）对2年的结果进行了调查。材料和方法：9名牙科学生在经验丰富的牙医的指导下放置了88个复合修复物（Tetric，allux-a-lux，Pertac-Hybrid Unifil），43个直接复合修复物和45个间接镶嵌物。首次临床评估是由另外2名经验丰富的牙医在放置后11至13个月使用改良的USPHS标准进行的。在放置后20到26个月内进行了60次修复的第二次随访。结果：总共93％的间接修复体和90％的直接复合修复体被评估为临床上优秀或可接受。第二年，由于骨折，两次修复（1次间接复合镶嵌和1次直接复合修复的边缘）失败。间接嵌体比直接复合修复体表现出明显更好的“表面解剖形式”。前磨牙显示出比磨牙明显更好的切缘完整性和术后症状。结论：由经验不足但受过监督的学生放置后路复合修复物可在2年内提供令人满意的临床表现。

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