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首页> 外文期刊>Caries research >Association between enamel hypoplasia and dental caries in primary second molars: a cohort study.
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Association between enamel hypoplasia and dental caries in primary second molars: a cohort study.

机译：釉质发育不全与原发性第二磨牙的龋齿之间的关联：一项队列研究。

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The purpose of this study was to assess the longitudinal relationships between enamel hypoplasia and caries experience of primary second molars. The study sample was 491 subjects who received dental examinations at both age 5 and 9 by the calibrated examiners. Four primary second molars (n = 1,892) were scored for the presence of enamel hypoplasia for each participant. Caries presence and number of decayed and filled surfaces (dfs) were determined at age 5 and 9. The relationships between enamel hypoplasia and caries experience were assessed. Among primary second molars, 3.9% of children and 1.7% of primary second molars had enamel hypoplasia. At age 5, 36.8% of children with hypoplasia had caries, while 16.9% of children without enamel hypoplasia had caries. At age 9, the corresponding numbers were 52.6% for children with hypoplasia and 34.5% for children without hypoplasia, respectively. At the tooth level, for age 5, 28.1% of teeth with hypoplasia had caries (mean dfs = 0.40), and 7.6% of teeth without hypoplasia had caries (mean dfs = 0.11). At age 9, the corresponding numbers were 41.9% (mean dfs = 0.76) for teeth with hypoplasia and 18.3% (mean dfs = 0.34) for teeth without hypoplasia. In multivariable logistic regression analyses, teeth of subjects with enamel hypoplasia had a significantly higher risk for caries at age 5 and 9 after controlling for other risk factors. Enamel hypoplasia appears to be a significant risk factor for caries and should be considered in caries risk assessment.
机译：这项研究的目的是评估釉质发育不全与原发性第二磨牙的龋齿经历之间的纵向关系。该研究样本是491名受试者，他们由校准过的检查员在5岁和9岁时接受了牙科检查。对每个参与者的釉质发育不全评分为四个主要的第二磨牙（n = 1,892）。在5岁和9岁时确定龋齿的存在以及腐烂和充满表面（dfs）的数量。评估了釉质发育不全与龋齿经历之间的关系。在原发性第二磨牙中，有3.9％的儿童和1.7％的原发性第二磨牙有牙釉质发育不全。在5岁时，有36.8％的发育不全儿童患有龋齿，而16.9％的没有牙釉质发育不全的儿童患有龋齿。在9岁时，发育不良的儿童的相应数字分别为52.6％和无发育不良的儿童的34.5％。在牙齿水平上，在5岁时，有发育不全的牙齿中有28.1％的牙齿有龋齿（平均dfs = 0.40），没有发育不全的牙齿中有7.6％的牙齿有龋齿（平均dfs = 0.11）。在9岁时，发育不全的牙齿的相应数字为41.9％（平均dfs = 0.76），没有发育不全的牙齿的相应数字为18.3％（平均dfs = 0.34）。在多变量logistic回归分析中，在控制了其他危险因素后，牙釉质发育不全的受试者的牙齿在5岁和9岁时患龋的风险显着更高。釉质发育不全似乎是龋齿的重要危险因素，应在龋齿风险评估中予以考虑。

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