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Ann Rehabil Med  <  Volume 22(3); 2018 <  Articles

Ann Geriatr Med Res 2018; 22(3): 145-150  https://doi.org/10.4235/agmr.2018.22.3.145
Association Between Sarcopenia and Tooth Loss
Chang Hoon Han1, Jae Ho Chung2
1Department of Internal Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Korea
2Department of Internal Medicine, International St. Mary's Hospital, Catholic Kwandong University College of Medicine, Incheon, Korea
Correspondence to: Jae Ho Chung, MD
https://orcid.org/0000-0001-7590-2277
Department of Internal Medicine, International St. Mary`s Hospital, Catholic Kwandong University College of Medicine, 25 Simgok-ro 100beongil, Seo-gu, Incheon 22711, Korea
Tel: +82-32-900-2813
Fax: +82-32-900-3879
E-mail: klaatu70@gmail.com
Received: June 19, 2018; Revised: July 20, 2018; Accepted: July 25, 2018; Published online: September 30, 2018.
© The Korea Geriatrics Society. All rights reserved.

This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Background: The aim of this study was to determine whether the prevalence and extent of periodontal disease and tooth loss are increased in participants with sarcopenia.
Methods: This cross-sectional study included 8,053 males (sarcopenia, 2,772; nonsarcopenia, 5,281) and 10,729 females (sarcopenia, 3,085; nonsarcopenia, 7,644) ≥18 years of age who participated in the Korean National Health and Nutrition Examination Survey (KNHANES) from 2008 to 2011 and underwent assessments of oral health and appendicular skeletal muscle mass. Muscle mass index was calculated as appendicular muscle mass divided by height squared. The cutoff values for sarcopenia were 7.0 kg/m2 for males and 5.4 kg/m2 for females.
Results: The group with sarcopenia brushed their teeth less frequently. The presence of periodontitis was significantly higher in participants with sarcopenia (males, 30.3%; females, 45.9%) than in participants without sarcopenia (males, 18.3%; females, 17.4%) (p<0.001). The number of natural teeth was significantly lower in participants with sarcopenia. The adjusted odds ratio for sarcopenia in participants with <20 natural teeth compared to those with full dentition was 1.96 (95% confidence interval [CI], 1.58-2.48) in males and 2.86 (95% CI, 2.31-3.56) in females. Subgroup analysis of the adjusted odds ratio for sarcopenia in older (≥65 years) individuals with <20 natural teeth was 1.92 (95% CI, 1.49-2.66) in males and 2.63 (95% CI, 2.25-3.64) in females.
Conclusion: Loss of the natural teeth wass significantly associated with sarcopenia.
Keywords: Oral health, Sarcopenia, Tooth


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