{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,24]],"date-time":"2026-06-24T04:48:42Z","timestamp":1782276522139,"version":"3.54.5"},"reference-count":34,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T00:00:00Z","timestamp":1782172800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,6,23]],"date-time":"2026-06-23T00:00:00Z","timestamp":1782172800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Dental Hygiene"],"abstract":"ABSTRACT<\/jats:title>\n \n Introduction<\/jats:title>\n First permanent molars (FPMs) are highly susceptible to plaque accumulation and dental caries due to their early eruption and complex occlusal morphology. This study aimed to investigate the associations between visible occlusal plaque, dental caries status, treatment needs, oral hygiene and age in schoolchildren.<\/jats:p>\n <\/jats:sec>\n \n Methods<\/jats:title>\n This cross\u2010sectional study included 329 children aged 5\u201312\u2009years from a public school. Intraoral examinations assessed dental caries experience using the Decayed, Missing and Filled Teeth (DMFT) and decayed and filled teeth (dft) indices, oral hygiene using the Simplified Oral Hygiene Index (OHI\u2010S), including the Debris Index\u2010Simplified (DI\u2010S) and Calculus Index\u2010Simplified (CI\u2010S), plaque accumulation using the Visible Occlusal Plaque Index (VOPI) and treatment needs using the Treatment Need Index (TNI). Multinomial logistic regression and Kendall's tau correlation analyses were performed to evaluate associations among the study variables.<\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n \n The mean age of the participants was 7.47\u2009\u00b1\u20091.56\u2009years. The mean dft and DMFT scores were 5.29\u2009\u00b1\u20093.37 and 1.17\u2009\u00b1\u20091.49, respectively. The prevalence of untreated visible cavitated carious lesions was higher in mandibular FPMs (41.8% in left FPMs and 40.7% in right FPMs) than in maxillary FPMs (32.0% in left FPMs and 29.5% in right FPMs). Higher OHI\u2010S scores were consistently associated with higher VOPI categories across all FPMs, particularly for VOPI 2 and VOPI 3 categories (OR range: 9.75\u201333.52; all\n p<\/jats:italic>\n \u2009<\u20090.001). Higher DMFT scores were also significantly associated with higher VOPI categories in multiple regression models (\n p<\/jats:italic>\n \u2009=\u20090.018 to\n p<\/jats:italic>\n \u2009<\u20090.001). Significant positive correlations were observed between VOPI, OHI\u2010S and TNI scores (all\n p<\/jats:italic>\n \u2009<\u20090.001). Regression models demonstrated moderate explanatory performance, with Nagelkerke R\n 2<\/jats:sup>\n values ranging from 40.7% to 47.8%.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusion<\/jats:title>\n Visible occlusal plaque in FPMs was associated with poorer oral hygiene, higher caries experience and increased treatment needs in schoolchildren. These findings highlight the importance of preventive strategies and effective plaque control measures for improving paediatric oral health outcomes.<\/jats:p>\n <\/jats:sec>","DOI":"10.1111\/idh.70122","type":"journal-article","created":{"date-parts":[[2026,6,24]],"date-time":"2026-06-24T04:24:23Z","timestamp":1782275063000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["First Permanent Molars as Indicators of Paediatric Oral Health: A Cross\u2010Sectional Study of Visible Occlusal Plaque, Caries Experience and Treatment Need"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1890-7749","authenticated-orcid":false,"given":"Ecem","family":"Akbeyaz \u015eivet","sequence":"first","affiliation":[{"name":"Department of Pediatric Dentistry, School of Dentistry Marmara University Istanbul T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9731-6156","authenticated-orcid":false,"given":"Berkant","family":"Sezer","sequence":"additional","affiliation":[{"name":"Department of Pediatric Dentistry, School of Dentistry \u00c7anakkale Onsekiz Mart University \u00c7anakkale T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-6343-4240","authenticated-orcid":false,"given":"Neslihan","family":"Atmaca","sequence":"additional","affiliation":[{"name":"Department of Pediatric Dentistry, School of Dentistry Marmara University Istanbul T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-3171-4462","authenticated-orcid":false,"given":"Narmin","family":"Huseynova","sequence":"additional","affiliation":[{"name":"Department of Pediatric Dentistry, School of Dentistry Marmara University Istanbul T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3294-8846","authenticated-orcid":false,"given":"Bet\u00fcl","family":"Karg\u00fcl","sequence":"additional","affiliation":[{"name":"Department of Pediatric Dentistry, School of Dentistry Marmara University Istanbul T\u00fcrkiye"},{"name":"Queen Mary University of London London UK"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,6,23]]},"reference":[{"issue":"3","key":"e_1_2_14_2_1","first-page":"194","article-title":"Dental Caries Are More Likely to Impact on Children's Quality of Life Than Malocclusion or Traumatic Dental Injuries","volume":"19","author":"Martins M. 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