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Environmental and genetic factors are involved in the pathogenesis of eating disorders in vulnerable persons. Although treatment varies among different types of eating disorders, nutrition, medical care combined with psychotherapy and medications are standard of care. The aim of this review is to give an overview of the oral health impact of eating disorders with a special emphasis on the periodontium. Oral health professionals have a unique role to play in the early diagnosis of eating disorders because of the important impact that eating disorders have on the oral cavity. In vomiting\u2010associated eating disorders, the risk of erosive tooth wear is mainly localized to the palatal surfaces of the incisors. Emerging evidence also indicates a high frequency of gingivitis and gingival recessions associated with compulsive toothbrushing. A holistic approach, including oral health and functional rehabilitation, should be promoted by physicians, psychiatrists, and dentists for people with eating disorders.<\/jats:p>","DOI":"10.1111\/prd.12391","type":"journal-article","created":{"date-parts":[[2021,8,31]],"date-time":"2021-08-31T15:39:40Z","timestamp":1630424380000},"page":"17-31","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Eating disorders through the periodontal lens"],"prefix":"10.1111","volume":"87","author":[{"given":"H\u00e9l\u00e8ne","family":"Rang\u00e9","sequence":"first","affiliation":[{"name":"Department of Periodontology Universit\u00e9 de Paris U.F.R. d\u2019Odontologie\u2010Garanci\u00e8re Paris France"},{"name":"Service d\u2019Odontologie H\u00f4pital Rothschild AP\u2010HP.Sorbonne Universit\u00e9 Paris France"},{"name":"UR 2496 Laboratory of Orofacial Pathologies, Imaging and Biotherapies Universit\u00e9 de Paris Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pierre","family":"Colon","sequence":"additional","affiliation":[{"name":"Service d\u2019Odontologie H\u00f4pital Rothschild AP\u2010HP.Sorbonne Universit\u00e9 Paris France"},{"name":"Department of Restorative Dentistry and Endodontics U.F.R. d\u2019Odontologie\u2010Garanci\u00e8re Universit\u00e9 de Paris Paris France"},{"name":"Laboratoire Multimat\u00e9riaux et Interfaces Universit\u00e9 Claude Bernard Lyon 1 UMR CNRS Villeurbanne France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nathalie","family":"Godart","sequence":"additional","affiliation":[{"name":"Service Hospitalo\u2010Universitaire de Sant\u00e9 Mentale pour les Adolescents et Jeunes Adultes Fondation Sant\u00e9 des Etudiants de France Paris France"},{"name":"U.F.R. 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