{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T07:00:48Z","timestamp":1785308448178,"version":"3.55.0"},"reference-count":38,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T00:00:00Z","timestamp":1785283200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Public Health"],"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>This study aimed to explore the correlation between dietary structure characteristics and the prevalence of tooth loss and dental calculus in adults residing in Huishui Area of Guizhou Province.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A total of 4,216 permanent adults aged \u226518\u202fyears were recruited using multi-stage stratified random sampling. Face-to-face questionnaire surveys collected dietary intake information, and standardized oral clinical examinations recorded tooth loss and dental calculus grading. Binary logistic regression (for tooth loss) and ordinal logistic regression (for dental calculus severity) were applied, adjusting for age, sex, education, income, brushing frequency, flossing use, smoking and alcohol consumption.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Tooth loss rate was 31.45% (mean 1.7 teeth\/person); dental calculus detection rate was 71.00% (Grade I: 34.00%, Grade II: 24.00%, Grade III: 12.00%). Multivariate analysis identified weekly meat intake (OR\u202f=\u202f1.20, 95%CI: 1.02\u20131.42), weekly nut intake (OR\u202f=\u202f0.61, 95%CI: 0.46\u20130.82), daily dairy intake (OR\u202f=\u202f0.62, 95%CI: 0.46\u20130.83), weekly fruit intake frequency (OR\u202f=\u202f0.60, 95%CI: 0.44\u20130.81), weekly vegetable intake frequency (OR\u202f=\u202f2.80, 95%CI: 2.00\u20133.91), and daily vegetable weight (OR\u202f=\u202f0.68, 95%CI: 0.53\u20130.88) as independent factors for tooth loss (all\n                      <jats:italic>p<\/jats:italic>\n                      \u202f&amp;lt;\u202f0.05). For dental calculus severity, weekly meat intake (cumulative OR\u202f=\u202f1.06, 95%CI: 1.02\u20131.10), daily dairy intake (cumulative OR\u202f=\u202f0.89, 95%CI: 0.86\u20130.93), weekly fruit frequency (cumulative OR\u202f=\u202f0.94, 95%CI: 0.90\u20130.97), weekly vegetable frequency (cumulative OR\u202f=\u202f1.05, 95%CI: 1.01\u20131.10), and daily vegetable weight (\u2265500\u202fg vs. &amp;lt;150\u202fg: cumulative OR\u202f=\u202f0.80, 95%CI: 0.74\u20130.86) were significant (all\n                      <jats:italic>p<\/jats:italic>\n                      \u202f&amp;lt;\u202f0.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Unbalanced dietary structure is a key modifiable risk factor. The \u201c3-4-500\u201d dietary model provides an evidence-based framework for oral health promotion in underserved populations.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fpubh.2026.1829730","type":"journal-article","created":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T06:03:33Z","timestamp":1785305013000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Diet, tooth loss, and dental calculus in Guizhou adults (2024\u20132025)"],"prefix":"10.3389","volume":"14","author":[{"given":"Wei","family":"Liu","sequence":"first","affiliation":[{"name":"Department of Stomatology, Liwan Central Hospital of Guangzhou","place":["Guangzhou, Guangdong Province, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Deyong","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Stomatology, Liwan Central Hospital of Guangzhou","place":["Guangzhou, Guangdong Province, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guangliang","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Stomatology, Huishui People's Hospital","place":["Huishui, Guizhou Province, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shouyan","family":"Gan","sequence":"additional","affiliation":[{"name":"Department of Stomatology, Huishui People's Hospital","place":["Huishui, Guizhou Province, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liu","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Stomatology, Huishui People's Hospital","place":["Huishui, Guizhou Province, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jing","family":"Yang","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics, Guiyang Stomatological Hospital","place":["Guiyang, Guizhou Province, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,7,29]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"e1002039","DOI":"10.1371\/journal.pmed.1002039","article-title":"Plant-based dietary patterns and incidence of type 2 diabetes in US men and women: results from three prospective cohort studies","volume":"13","author":"Satija","year":"2016","journal-title":"PLoS Med"},{"key":"ref2","doi-asserted-by":"publisher","first-page":"411","DOI":"10.1016\/j.jacc.2017.05.047","article-title":"Healthful and unhealthful plant-based diets and the risk of coronary heart disease in U.S. adults","volume":"70","author":"Satija","year":"2017","journal-title":"J Am Coll Cardiol"},{"key":"ref3","doi-asserted-by":"crossref","first-page":"56","DOI":"10.1038\/s41522-024-00529-1","article-title":"Recent advances in the pathogenesis and prevention strategies of dental 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