{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T08:48:55Z","timestamp":1785833335278,"version":"3.56.0"},"reference-count":126,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T00:00:00Z","timestamp":1785801600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Dent. J.","Dentistry Journal"],"abstract":"<jats:p>Background: Dental caries is a highly prevalent, biofilm-mediated disease characterized by microbial dysbiosis, excessive acid production, and progressive enamel demineralization. Although traditionally managed through restorative treatment, increasing attention has shifted toward preventive strategies focused on modulation of the oral microbiota and maintenance of ecological balance within the oral cavity. Methods: This narrative review summarizes current evidence regarding the ecological and mechanistic basis of dental caries and microbiota-centered prevention strategies. Literature published between January 2000 and March 2026 was retrieved from PubMed\/MEDLINE, Scopus, Web of Science, and Google Scholar using keywords related to dental caries, oral microbiota, cariogenic bacteria, biofilms, probiotics, prebiotics, salivary diagnostics, metabolomics, quorum sensing, and artificial intelligence. Results: Current evidence demonstrates that dental caries is driven by ecological shifts favoring acidogenic and aciduric microorganisms within cariogenic biofilms. Emerging preventive approaches include dietary modification, oral hygiene optimization, probiotics, prebiotics, synbiotics, and functional dietary agents aimed at restoring microbial homeostasis and inhibiting cariogenic biofilm maturation. In addition, advances in salivary microbiome profiling, metabolomics, artificial intelligence-assisted predictive modeling, and smart responsive materials have shown promising potential for improving early diagnosis, risk assessment, and personalized prevention strategies. Conclusions: Microbiota-based approaches represent a promising paradigm shift in dental caries prevention by emphasizing ecological modulation rather than pathogen eradication alone. Continued interdisciplinary research integrating microbial ecology, diagnostics, biomaterials, and digital technologies may facilitate the development of personalized and preventive oral healthcare strategies.<\/jats:p>","DOI":"10.3390\/dj14080477","type":"journal-article","created":{"date-parts":[[2026,8,4]],"date-time":"2026-08-04T08:02:19Z","timestamp":1785830539000},"page":"477","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Modulating Oral Microbiota to Prevent Dental Caries: A Microbial Ecology Approach"],"prefix":"10.3390","volume":"14","author":[{"given":"Yu-Chen","family":"Lee","sequence":"first","affiliation":[{"name":"Division of Family Dentistry, Oral Medicine Department, Cathay General Hospital, Taipei 106438, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu-Che","family":"Cheng","sequence":"additional","affiliation":[{"name":"Department of Medical Research, Cathay General Hospital, Taipei 106438, Taiwan"},{"name":"Department of Biomedical Science and Engineering, National Central University, Taoyuan 320317, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chun-Ming","family":"Kung","sequence":"additional","affiliation":[{"name":"Division of Oral Implantology, Oral Medicine Department, Cathay General Hospital, Taipei 106438, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8382-1303","authenticated-orcid":false,"given":"Chi-Jung","family":"Huang","sequence":"additional","affiliation":[{"name":"Department of Medical Research, Cathay General Hospital, Taipei 106438, Taiwan"},{"name":"Department and Graduate Institute of Biochemistry, College of Biomedical Sciences, National Defense Medical University, Taipei 114201, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,8,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"249","DOI":"10.1016\/S0140-6736(19)31146-8","article-title":"Oral diseases: A global public health challenge","volume":"394","author":"Peres","year":"2019","journal-title":"Lancet"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"17030","DOI":"10.1038\/nrdp.2017.30","article-title":"Dental caries","volume":"3","author":"Pitts","year":"2017","journal-title":"Nat. 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