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首页> 外文期刊>Journal of dentistry for children. >Role of anatomic and salivary factors in dental calculus formation in primary and mixed dentition stages
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Role of anatomic and salivary factors in dental calculus formation in primary and mixed dentition stages

机译:解剖和唾液因子在牙列和混合牙列阶段牙结石形成中的作用

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摘要

Purpose: Clinical experience shows that formation of calculus is a very rare phenomenon in primary teeth, but it increases as the permanent teeth erupt. The purpose of this study was to assess the relationship between dental calculus, dental anatomy, and salivary factors in primary and mixed dentition stages. Methods: A cross-sectional study was carried out to determine the buccolingual dimensions of the most concave and the most convex surfaces of the lingual aspect of mandibular central incisor crowns in a sample group of 120 three- to five-old children and 120 eight- to 10-year old children. Saliva samples were collected from 20 in each group. Data were analyzed using t tests. Results: Significant differences were found between the ratio of the buccolingual dimensions of the most convex to the most concave areas of the lingual surfaces in primary and permanent incisors (P=0.028). Saliva analysis revealed significant differences in total protein (P=0.002), sodium (P=0.037), bicarbonate (P=0.003), and ammonia (P=0.025) between the two age groups. Conclusions: Anatomic and salivary factors may be important reasons for the differences in calculus formation.
机译:目的:临床经验表明,结石的形成是乳齿中非常罕见的现象,但随着恒牙的爆发而增加。这项研究的目的是评估牙本质,混合和牙列阶段的牙结石,牙齿解剖结构和唾液因子之间的关系。方法:进行了一项横断面研究,确定了120个三至五岁儿童和120个八岁儿童的样本组中下颌中切牙牙冠舌面最凹和最凸表面的颊舌尺寸。给10岁的孩子。每组从20份中收集唾液样品。使用t检验分析数据。结果:在主切牙和永久切牙中,舌面最凸和最凹区域的颊舌尺寸之比之间存在显着差异(P = 0.028)。唾液分析显示,两个年龄组之间的总蛋白(P = 0.002),钠(P = 0.037),碳酸氢盐(P = 0.003)和氨(P = 0.025)存在显着差异。结论:解剖和唾液因素可能是牙结石形成差异的重要原因。

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