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首页> 外文期刊>Pediatric dentistry >Clinical evaluation of a compomer and an amalgam primary teeth class II restorations: a 2-year comparative study.
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Clinical evaluation of a compomer and an amalgam primary teeth class II restorations: a 2-year comparative study.

机译：复合体和汞齐II级乳牙修复体的临床评估：一项为期2年的比较研究。

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PURPOSE: This study was performed to compare the clinical performance between the compomer F2000 and amalgam Dispersalloy in Class II restorations in primary molars over a 2-year period. METHODS: Seventy-five amalgam and 75 compomer restorations were placed in 75 children based on a split-mouth design. The restorations were evaluated after 1 week and after 6, 12, 18, and 24 months of oral function. The evaluation consisted of a clinical assessment according to modified Ryge criteria, a radiographic examination using bite-wing radiographs, and an observation of epoxy casts under scanning electron microscopy. RESULTS: The results showed statistically significant differences in the marginal adaptation and anatomic form between amalgam and compomer restorations. A higher number of compomer restorations were rated as Bravo, while a higher number of amalgam restorations were rated as Alpha at 24 months. Significant differences in the failure of the restoration and development of secondary caries were not found between the materials. CONCLUSIONS: The use of compomer F2000 in Class II resorations in primary molars, although it presents a significantly higher number of restorations rated as Bravo regarding the marginal adaptation and anatomic form vs the amalgam, does not increase the risks of developing secondary caries and failure of the restoration over a period of 2 years.
机译：目的：进行这项研究的目的是比较复合体F2000和汞齐分散合金在2年内在第一磨牙的II类修复体中的临床表现。方法：根据裂口设计，将75个汞合金和75个复合体修复体放置在75名儿童中。在口腔功能1周后，6、12、18和24个月后评估修复体。评估包括根据修改后的Ryge标准进行的临床评估，使用咬翼X线照片进行的射线照相检查以及在扫描电子显微镜下观察环氧铸模。结果：结果显示，汞合金和复合体修复体在边缘适应性和解剖形式上有统计学差异。在24个月时，更多的Compomer修复体被评为Bravo，而更多的汞齐修复体被评为Alpha。在两种材料之间未发现次生龋齿恢复和发育失败的显着差异。结论：复合物F2000在初级磨牙的II类口齿修复中的使用，尽管其在边缘适应性和解剖形态方面的修复体数量远高于汞合金，但被评为Bravo修复体的数量更高，但不会增加发生继发龋齿和失败的风险。在2年内进行恢复。

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