{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T13:23:15Z","timestamp":1792156995749,"version":"4.4.0"},"reference-count":20,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2023,10,23]],"date-time":"2023-10-23T00:00:00Z","timestamp":1698019200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Comm Dent Oral Epid"],"published-print":{"date-parts":[[2024,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objectives<\/jats:title><jats:p>This study aimed to describe caries prevalence and experience trends of permanent teeth among Singapore schoolchildren between 2007 and 2019.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Anonymized records of all 6\u2010year\u2010old Primary 1 (P1), 11\u2010year\u2010old Primary 6 (P6) and 14\u2010year\u2010old 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\u2013Winsten regression was used to assess trends of mean decayed, missing and filled teeth (DMFT) and caries prevalence (% DMFT\u2009&gt;\u20090) among the schoolchildren by school level, with reported Average Annual Percentage Change (AAPC) together with respective 95% confidence interval (CI).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>In total, 519\u2009471 P1, 566\u2009573 P6 and 548\u2009138 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 \u22125.0 [95% CI: \u22126.1, \u22123.9]) and P6 (AAPC \u22124.9 [95% CI: \u22125.7, \u22124.1]) and 2% among S3 (AAPC \u22122.0 [95% CI: \u22123.5, \u22120.4]) schoolchildren. Caries prevalence decreased approximately 4%\u2009~\u20095% 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.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>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.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cdoe.12919","type":"journal-article","created":{"date-parts":[[2023,10,24]],"date-time":"2023-10-24T00:04:40Z","timestamp":1698105880000},"page":"273-280","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Prevalence and experience of dental caries among Singaporean schoolchildren: A time\u2010trend analysis from 2007 to 2019"],"prefix":"10.1111","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1730-2123","authenticated-orcid":false,"given":"Karen Glazer","family":"Peres","sequence":"first","affiliation":[{"name":"National Dental Research Institute Singapore, National Dental Centre Singapore  Singapore"},{"name":"Oral Health ACP, Health Services and Systems Research Programme Duke\u2010NUS Medical School  Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Huihua","family":"Li","sequence":"additional","affiliation":[{"name":"National Dental Research Institute Singapore, National Dental Centre Singapore  Singapore"},{"name":"Oral Health ACP, Health Services and Systems Research Programme Duke\u2010NUS Medical School  Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Melissa","family":"Tan","sequence":"additional","affiliation":[{"name":"School Dental Service Health Promotion Board  Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wanyi","family":"Lim","sequence":"additional","affiliation":[{"name":"School Dental Service Health Promotion Board  Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yim Heng","family":"Wong","sequence":"additional","affiliation":[{"name":"School Dental Service Health Promotion Board  Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bien","family":"Lai","sequence":"additional","affiliation":[{"name":"Paediatric Dentistry Unit National Dental Centre  Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Oy Chu","family":"Eu","sequence":"additional","affiliation":[{"name":"School Dental Service Health Promotion Board  Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marco Aurelio","family":"Peres","sequence":"additional","affiliation":[{"name":"National Dental Research Institute Singapore, National Dental Centre Singapore  Singapore"},{"name":"Oral Health ACP, Health Services and Systems Research Programme Duke\u2010NUS Medical School  Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2023,10,23]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.bdj.4814259"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1177\/0022034513490168"},{"key":"e_1_2_7_4_1","unstructured":"World Health Organization.Global oral health status report: towards universal health coverage for oral health by 2030: regional summary of the African Region. 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