Willershausen Brita, Ernst Claus-Peter, Kasaj Adrian, Topf Janna, Pistorius Alexander
Department of Operative Dentistry, Johannes Gutenberg-University Mainz, Mainz, Germany.
Oral Health Prev Dent. 2003;1(2):157-62.
When restoring deciduous teeth with extensive lesions, preformed stainless steel crowns are increasingly used in addition to resin-based materials. The aim of the present clinical study was to examine the influence of composites and stainless steel crowns on the cariogenic bacteria S. mutans and Lactobacilli by means of a commercially available salivary test (CRT bacteria) in 100 children.
For 50 children (30 boys, 20 girls, mean age 5.7 +/- 2.4 years) only composites have been used as a restorative material (an average of 9 fillings per child, total number: n=450), which had been in situ for an average of 15.9 months at the time of the examination. In another group of 50 children (33 boys, 17 girls, mean age 5.9 +/- 2.5 years), stainless steel crowns and composites have been used for restorations (an average of 3.5 stainless steel crowns per child, total number: n=174, an average of 7 composite fillings per child, total number n=348), which had been in place for a mean period of 17.2 months.
The salivary examination of the children with composite restorations showed a high proportion of patients (64%, n=32) with high numbers (> or = 10(5)) of S. mutans and Lactobacilli (54%, n=27). Only 22% (n=11) of the children with additional stainless steel crown restorations were found to have high numbers (> or = 10(5)) of S. mutans and Lactobacilli (34%, n=17).
This study shows a potential positive inhibitory effect of stainless steel crown restorations as compared to composite fillings with respect to the oral bacterial colonization.
在使用树脂基材料修复乳牙广泛病变时，除了这些材料外，预成不锈钢冠的使用也越来越多。本临床研究的目的是通过一种市售的唾液检测方法（CRT细菌检测），检测复合材料和不锈钢冠对100名儿童口腔中致龋菌变形链球菌和乳酸杆菌的影响。
对于50名儿童（30名男孩，20名女孩，平均年龄5.7±2.4岁），仅使用复合材料作为修复材料（每名儿童平均9颗补牙，总数：n = 450），在检查时这些修复体平均已在口腔中存在15.9个月。在另一组50名儿童（33名男孩，17名女孩，平均年龄5.9±2.5岁）中，使用不锈钢冠和复合材料进行修复（每名儿童平均3.5个不锈钢冠，总数：n = 174，每名儿童平均7颗复合补牙，总数n = 348），这些修复体平均已存在17.2个月。
对接受复合修复的儿童进行唾液检查发现，大量（≥10⁵）变形链球菌和乳酸杆菌的患者比例较高（64%，n = 32）。在接受额外不锈钢冠修复的儿童中，只有22%（n = 11）被发现有大量（≥10⁵）变形链球菌和乳酸杆菌（34%，n = 17）。
本研究表明，与复合补牙相比，不锈钢冠修复在抑制口腔细菌定植方面可能具有积极作用。
