The prevalence of dental caries is high in adolescents worldwide, and a large percentage have never been to a dentist or have not had regular dental appointments.

中文翻译：

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巴西早期青少年口腔健康素养，社会人口统计学，家庭和牙科访视的临床预测指标

在全世界的青少年中，龋齿的患病率很高，而且很大一部分从未去过牙医或没有定期去看牙医。