矯正歯科患者の第一小臼歯隣接面におけるエナメル白斑の発現状況

概要

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The purpose of this study was to access the prevalence and distribution of white spots in the proximal surface of the first permanent premolar from 12 to 50 years of age. A total of 108 extracted premolars in orthodontic patients were first visually examined for the presence of enamel white spots. Then digital photographs were taken by Microscope System MS-803 (Moritex Corporation) at 20x and 30x magnifications, and evaluated for white spots of proximal surfaces. The following are our findings and conclusions. 1. Enamel white spots were observed in approximately 70% of the proximal surfaces at all ages. 2. The proportion of the proximal surfaces with white spots varied from 44% of the proximal surfaces in the over 30 age group to 93% of the proximal surfaces in the 20-24 age group. 3. White spots were observed slightly more frequently in the mandible than in the maxilla. 4. White spots were observed more frequently in the distal surfaces than in the mesial surfaces. These findings serve as the basis for future prevalence and incidence studies of inicial caries in the proximal surfaces.
千葉県立衛生短期大学の論文