MICROBIAL ACCUMULATION AND VITALITY ON DIFFERENT RESTORATIVE MATERIALS
MICROBIAL ACCUMULATION AND VITALITY ON DIFFERENT RESTORATIVE MATERIALS
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DOI：
10.1016/0109-5641(93)90049-v
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发表时间：
1993-09-01
期刊：
影响因子：
5
通讯作者：
BRUCH, M
中科院分区：
文献类型：
--
作者：
HAHN, R;WEIGER, R;BRUCH, M
设计了一种使用标准化测试面来评估牙间菌斑在不同修复材料上积累的新技术。在10名志愿者中，总共有40个样本，包括珐琅、两种不同的陶瓷和一种粘合复合材料，被一个接一个地插入到一个精确的附着物中，这个附着物位于第二臼齿下部或第一臼齿下部的实验嵌体上。每个近似标本上的细菌积累成熟3天。对菌斑样本进行微生物处理后，测定细菌总数、菌落形成单位和细菌活力。结果显示了不同的积累速率模式。与牙釉质相比，这两种陶瓷积累的牙菌斑较少，活力降低，而结合复合材料与天然牙齿物质相比没有显着差异。当比较两种被检查的陶瓷时，没有发现显着差异。
A new technique using standardized test facings was designed to evaluate interdental plaque accumulation on different restoration materials. In 10 volunteers, a total of 40 samples, including enamel, two different ceramics and a bonding composite, were inserted one by one into a precision attachment in an experimental inlay bordering on either the lower second premolar or the lower first molar. Bacterial accumulation on each approximal specimen was allowed to mature for 3 d. Following microbiological processing of the plaque samples, total bacterial counts, colony forming units and the bacterial vitality were determined. The results revealed different accumulation rate patterns. Both ceramics accumulated less plaque with a reduced vitality compared to enamel, while the bonding composite showed no significant differences compared to the natural tooth substance. No significant differences were detected when comparing the two examined ceramics.