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This meta\u2010analysis examined oral health in patients with dementia diagnosed according to standardized diagnostic criteria.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Six international databases (PubMed, EMBASE, PsycINFO, Medline, Cochrane Library, and Web of Science) were searched from their commencement date until 8 November 2018. Oral health was measured by the Remaining Teeth (RT) and Decayed, Missing, and Filled Teeth (DMFT) Index. The mean differences (MD) and 95% confidence intervals (CI) of DMFT Index total and component scores were calculated using a random\u2010effect model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Twenty\u2010four studies were included for analyses. The pooled DMFT Index was 23.48 (95% CI: 22.34, 24.62), while the pooled score for each component was 2.38 (95% CI: 1.56, 3.20) in decayed teeth (DT), 18.39 (95% CI: 15.92, 20.87) in missing teeth (MT), 2.29 (95% CI: 0.62, 3.95) in filled teeth (FT), and 11.59 (95% CI: 9.14, 14.05) in RT. Compared to controls, people with dementia had significantly a higher DMFT Index total score (MD = 3.80, 95% CI: 2.21, 5.39, <jats:italic>p<\/jats:italic> &lt; 0.00,001), and significantly lower number of RT (MD = \u22123.15, 95% CI: \u22124.23, \u22122.06, <jats:italic>p<\/jats:italic> &lt; 0.00,001). Subgroup analyses revealed that higher DMFT Index score was significantly associated with year of survey (&gt;2010), study design (case\u2010control study), percentage of females (\u226454.3), and the Mini Mental State Examination score (\u226418.2). Higher MT score was significantly associated with study design (cross\u2010sectional study), and lower FT score was significantly associated with year of survey (&gt;2010).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Oral health was significantly poorer in people with dementia compared with controls. Regular screening and effective treatment should be implemented for this population.<\/jats:p><\/jats:sec>","DOI":"10.1002\/gps.5453","type":"journal-article","created":{"date-parts":[[2020,10,26]],"date-time":"2020-10-26T20:18:06Z","timestamp":1603743486000},"page":"467-478","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":28,"title":["Oral health in patients with dementia: A meta\u2010analysis of comparative and observational studies"],"prefix":"10.1002","volume":"36","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3720-8230","authenticated-orcid":false,"given":"Liang\u2010Nan","family":"Zeng","sequence":"first","affiliation":[{"name":"Center for Cognition and Brain Sciences Faculty of Health Sciences University of Macau  Macao SAR China"},{"name":"Department of Neurosurgery The Affiliated Hospital of Southwest Medical University Sichuan Clinical Medical Research Center for Neurosurgery Academician (Expert) Workstation of Sichuan Province Neurological Diseases and Brain Function Laboratory  Luzhou Sichuan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian\u2010Qian","family":"Zong","sequence":"additional","affiliation":[{"name":"The National Clinical Research Center for Mental Disorders &amp; Beijing Key Laboratory of Mental Disorders Beijing Anding Hospital &amp; the Advanced Innovation Center for Human Brain Protection Capital Medical University  Beijing China"},{"name":"School of Nursing Capital Medical University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shi\u2010Wei","family":"Xu","sequence":"additional","affiliation":[{"name":"Faculty of Medicine Changsha Medical University  Changsha Hunan Province China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feng\u2010Rong","family":"An","sequence":"additional","affiliation":[{"name":"The National Clinical Research Center for Mental Disorders &amp; Beijing Key Laboratory of Mental Disorders Beijing Anding Hospital &amp; the Advanced Innovation Center for Human Brain Protection Capital Medical University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gabor S.","family":"Ungvari","sequence":"additional","affiliation":[{"name":"University of Notre Dame Australia  Fremantle Western Australia Australia"},{"name":"Division of Psychiatry School of Medicine University of Western Australia Graylands Hospital  Perth Western Australia Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Daniel T.","family":"Bressington","sequence":"additional","affiliation":[{"name":"School of Nursing Hong Kong Polytechnic University  Hong Kong SAR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Teris","family":"Cheung","sequence":"additional","affiliation":[{"name":"School of Nursing Hong Kong Polytechnic University  Hong Kong SAR China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ming\u2010Zhao","family":"Qin","sequence":"additional","affiliation":[{"name":"Department of Geriatric Medicine Beijing Tongren Hospital Capital Medical University  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Li\u2010Gang","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery The Affiliated Hospital of Southwest Medical University Sichuan Clinical Medical Research Center for Neurosurgery Academician (Expert) Workstation of Sichuan Province Neurological Diseases and Brain Function Laboratory  Luzhou Sichuan China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2906-0029","authenticated-orcid":false,"given":"Yu\u2010Tao","family":"Xiang","sequence":"additional","affiliation":[{"name":"Center for Cognition and Brain Sciences Faculty of Health Sciences University of Macau  Macao SAR China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,11,18]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.2147\/NDT.S172933"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1093\/fampra\/cmx098"},{"issue":"9","key":"e_1_2_9_4_1","first-page":"409","article-title":"Diagnostic criteria for age\u2010associated dementia","volume":"44","author":"Homma A","year":"2001","journal-title":"Japan Med Assoc J"},{"key":"e_1_2_9_5_1","unstructured":"World Health Organization.Dementia. 2019.https:\/\/www.who.int\/news-room\/fact-sheets\/detail\/dementia. 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