Prevalence and experience of dental caries among Singaporean schoolchildren: A time-trend analysis from 2007 to 2019

IF 1.8 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Community dentistry and oral epidemiology Pub Date : 2023-10-23 DOI:10.1111/cdoe.12919

Karen Glazer Peres, Huihua Li, Melissa Tan, Wanyi Lim, Yim Heng Wong, Bien Lai, Oy Chu Eu, Marco Aurelio Peres

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Abstract

Objectives

This study aimed to describe caries prevalence and experience trends of permanent teeth among Singapore schoolchildren between 2007 and 2019.

Methods

Anonymized records of all 6-year-old Primary 1 (P1), 11-year-old Primary 6 (P6) and 14-year-old Secondary 3 (S3) before the start of each school year were extracted from the Integrated Dental Electronic Assessment System (IDEAS) by school level, ethnicity and sex. Prais–Winsten regression was used to assess trends of mean decayed, missing and filled teeth (DMFT) and caries prevalence (% DMFT > 0) among the schoolchildren by school level, with reported Average Annual Percentage Change (AAPC) together with respective 95% confidence interval (CI).

Results

In total, 519 471 P1, 566 573 P6 and 548 138 S3 were included during the above period, and the majority were comprised of Chinese children (P1: 67.2%, P6: 68.8% and S3: 71.0%, respectively). Overall, the prevalence of caries dropped from 6.9% in 2007 to 3.5% in 2019 among P1, from 34.5% in 2009 to 20.3% in 2019 among P6 and from 41.5% in 2007 to 33.5% in 2019 among S3 schoolchildren. The mean DMFT reduced from 0.11 to 0.05 among P1, 0.72 to 0.35 among P6 and 1.05 to 0.76 among S3 schoolchildren during the same period. Caries prevalence and mean DMFT were consistently higher among girls. On average, caries prevalence decreased 5% per year in P1 (AAPC −5.0 [95% CI: −6.1, −3.9]) and P6 (AAPC −4.9 [95% CI: −5.7, −4.1]) and 2% among S3 (AAPC −2.0 [95% CI: −3.5, −0.4]) schoolchildren. Caries prevalence decreased approximately 4% ~ 5% annually among P1 and P6 schoolchildren regardless of ethnicity. The average decrease in caries prevalence was lower (about 2%) among all ethnicities at S3 school level.

Conclusion

Dental caries in permanent dentition of Singaporean schoolchildren had decreased from 2007 to 2019. However, the decrease observed among primary school students was more than double that among secondary schoolchildren.

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新加坡学童龋齿患病率和经历：2007年至2019年的时间趋势分析。

目的：本研究旨在描述2007年至2019年间新加坡学童恒牙的龋齿患病率和体验趋势。方法：所有6岁小学一年级（P1）的匿名记录，在每个学年开始前，11岁的小学六年级（P6）和14岁的中三年级（S3）按学校级别、种族和性别从综合牙科电子评估系统（IDEAS）中提取。Prais-Winsten回归用于评估平均龋齿、缺牙和补牙（DMFT）和龋齿患病率（%DMFT）的趋势 > 0），报告的年平均百分比变化（AAPC）以及各自的95%置信区间（CI）。结果：总共519 471 p1566 573 P6和548 138名S3在上述期间被纳入，其中大多数是中国儿童（P1:67.2%，P6:68.8%和S3:71.0%）。总体而言，P1学童的龋齿患病率从2007年的6.9%下降到2019年的3.5%，P6学童的龋齿发病率从2009年的34.5%下降到了2019年的20.3%，S3学童的龋病患病率从07年的41.5%下降到了2017年的33.5%。同一时期，P1学童的平均DMFT从0.11降至0.05，P6学童的平均DMFT从0.72降至0.35，S3学童的平均DFT从1.05降至0.76。女孩的龋齿患病率和平均DMFT一直较高。P1（AAPC-5.0[95%CI:-6.1，-3.9]）和P6（AAPC-4.9[95%CI:-5.7，-4.1]）学童的龋齿患病率平均每年下降5%，S3（AAPC-2.0[95%CI：-3.5，-0.4]）学童的龋病患病率平均下降2%。龋齿患病率下降约4% ~ 在P1和P6年级的学童中，不分种族，每年占5%。在S3学校水平的所有种族中，龋齿患病率的平均下降率较低（约2%）。结论：从2007年到2019年，新加坡学童恒牙列中的龋齿有所减少。然而，在小学生中观察到的下降幅度是中学生的两倍多。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Community dentistry and oral epidemiology 医学-公共卫生、环境卫生与职业卫生

CiteScore

4.40

自引率

8.70%

发文量

审稿时长

6 months

期刊介绍： The aim of Community Dentistry and Oral Epidemiology is to serve as a forum for scientifically based information in community dentistry, with the intention of continually expanding the knowledge base in the field. The scope is therefore broad, ranging from original studies in epidemiology, behavioral sciences related to dentistry, and health services research through to methodological reports in program planning, implementation and evaluation. Reports dealing with people of all age groups are welcome. The journal encourages manuscripts which present methodologically detailed scientific research findings from original data collection or analysis of existing databases. Preference is given to new findings. Confirmations of previous findings can be of value, but the journal seeks to avoid needless repetition. It also encourages thoughtful, provocative commentaries on subjects ranging from research methods to public policies. Purely descriptive reports are not encouraged, nor are behavioral science reports with only marginal application to dentistry. The journal is published bimonthly.