StatisticsKorea: Explore Korea through Statistics 2018. In. Edited by Korea S. http://kostat.go.kr/portal/eng/news/3/index.board?bmode=read&bSeq=&aSeq=372131&pageNo=1&rowNum=10&navCount=10&currPg=&searchInfo=&sTarget=title&sTxt=; 2018: http://kostat.go.kr/portal/eng/news/3/index.board?bmode=read&bSeq=&aSeq=372131&pageNo=372131&rowNum=372110&navCount=372110&currPg=&searchInfo=&sTarget=title&sTxt=.
Gil-Montoya JA, de Mello ALF, Barrios R, Gonzalez-Moles MA, Bravo M. Oral health in the elderly patient and its impact on general well-being: a nonsystematic review. Clin Interv Aging. 2015;10:461–7.
Article
PubMed
PubMed Central
Google Scholar
Shin HE, Cho MJ, Amano A, Song KB, Choi YH. Association between mastication-related factors and the prevalence of dementia in Korean elderly women visiting senior centres. Gerodontology. 2020;37(2):177–84.
Article
PubMed
Google Scholar
Okamoto N, Amano N, Nakamura T, Yanagi M. Relationship between tooth loss, low masticatory ability, and nutritional indices in the elderly: a cross-sectional study. BMC Oral Health. 2019;19(1):110.
Article
PubMed
PubMed Central
Google Scholar
Hara K, Tohara H, Kenichiro K, Yamaguchi K, Ariya C, Yoshimi K, Nakane A, Minakuchi S. Association between tongue muscle strength and masticatory muscle strength. J Oral Rehabil. 2019;46(2):134–9.
Article
PubMed
Google Scholar
Kosaka T, Kida M, Kikui M, Hashimoto S, Fujii K, Yamamoto M, Nokubi T, Maeda Y, Hasegawa Y, Kokubo Y, et al. Factors influencing the changes in masticatory performance: the Suita study. JDR Clin Trans Res. 2018;3(4):405–12.
PubMed
Google Scholar
Horibe Y, Watanabe Y, Hirano H, Edahiro A, Ishizaki K, Ueda T, Sakurai K. Relationship between masticatory function and frailty in community-dwelling Japanese elderly. Aging Clin Exp Res. 2018;30(9):1093–9.
Article
PubMed
Google Scholar
Ikebe K, Matsuda K, Kagawa R, Enoki K, Okada T, Yoshida M, Maeda Y. Masticatory performance in older subjects with varying degrees of tooth loss. J Dent. 2012;40(1):71–6.
Article
PubMed
Google Scholar
Ueno M, Shimazu T, Sawada N, Tsugane S, Kawaguchi Y. Validity of self-reported tooth counts and masticatory status study of a Japanese adult population. J Oral Rehabil. 2018;45(5):393–8.
Article
PubMed
Google Scholar
Takagi D, Watanabe Y, Edahiro A, Ohara Y, Murakami M, Murakami K, Hironaka S, Taniguchi Y, Kitamura A, Shinkai S, et al. Factors affecting masticatory function of community-dwelling older people: investigation of the differences in the relevant factors for subjective and objective assessment. Gerodontology. 2017;34(3):357–64.
Article
PubMed
Google Scholar
Fan Y, Shu X, Lo ECM, Leung KCM. Development and validation of a chewing function questionnaire for Chinese older adults. J Dent. 2021;104: 103520.
Article
PubMed
Google Scholar
Peršić S, Palac A, Bunjevac T, Celebić A. Development of a new chewing function questionnaire for assessment of a self-perceived chewing function. Community Dent Oral Epidemiol. 2013;41(6):565–73.
Article
PubMed
Google Scholar
Walls A, Steele J. The relationship between oral health and nutrition in older people. Mech Ageing Dev. 2004;125(12):853–7.
Article
PubMed
Google Scholar
Boretti G, Bickel M, Geering AH. A review of masticatory ability and efficiency. J Prosthet Dent. 1995;74(4):400–3.
Article
PubMed
Google Scholar
Cusson V, Caron C, Gaudreau P, Morais JA, Shatenstein B, Payette H. Assessing older adults’ masticatory efficiency. J Am Geriatr Soc. 2015;63(6):1192–6.
Article
PubMed
Google Scholar
Park SM: An in-depth investigation into the health status of urban elderly in Seongbuk-gu, Seoul, and an intervention study for preventive management, 2018. https://library.nih.go.kr/ncmiklib/mlib/mlibViewReport.do?searchSubTarget=report&bibctrlno=7791600. Korea/Cheongju : Korea Centers for Disease Control and Prevention; 2018.
Seoul Metropolitan Government: Status of the elderly in Seoul (by gu): Statistics. https://data.seoul.go.kr/dataList/10730/S/2/datasetView.do#2021.
Hulley SB, Cummings SR, Browner WS, Grady DG, Newman TB. Designing clinical research. Philadelphia: Lippincott Williams & Wilkins; 2011.
Google Scholar
Prinsen CA, Vohra S, Rose MR, Boers M, Tugwell P, Clarke M, Williamson PR, Terwee CB. Guideline for selecting outcome measurement instruments for outcomes included in a Core Outcome Set. The Netherlands: COMET COSMIN 2016.
Slade GD, Spencer AJ. Development and evaluation of the Oral Health Impact Profile. Community Dent Health. 1994;11(1):3–11.
PubMed
Google Scholar
Kim NH, Han DH, Hwang SJ, Kim AR, Chung WG, Kim HD. Validation study of masticatory dysfunction questionnaires among the elderly in Korea. J Korean Acad Dent Health. 2008;32(1):75–85.
Google Scholar
Hatch JP, Shinkai RS, Sakai S, Rugh JD, Paunovich ED. Determinants of masticatory performance in dentate adults. Arch Oral Biol. 2001;46(7):641–8.
Article
PubMed
Google Scholar
Krabbe PFM. Chapter 5—Constructs and scales. In: Krabbe PFM, editor. The measurement of health and health status. San Diego: Academic Press; 2017. p. 67–89.
Chapter
Google Scholar
Bozhkova T, Musurlieva N, Slavchev D, Dimitrova M, Rimalovska S. Occlusal indicators used in dental practice: A survey study. Biomed Res Int. 2021;2021:2177385.
PubMed
PubMed Central
Google Scholar
Saintrain MV, Vieira AP. Application of the community oral health indicator by non-dental personnel and its contribution to oral healthcare. PLoS ONE. 2012;7(7): e39733.
Article
PubMed
PubMed Central
Google Scholar
Islas-Granillo H, Borges-Yañez SA, Navarrete-Hernández JJ, Veras-Hernández MA, Casanova-Rosado JF, Minaya-Sánchez M, Casanova-Rosado AJ, Fernández-Barrera M, Medina-Solís CE. Indicators of oral health in older adults with and without the presence of multimorbidity: a cross-sectional study. Clin Interv Aging. 2019;14:219–24.
Article
PubMed
PubMed Central
Google Scholar
Ikebe K, Matsuda K, Kagawa R, Enoki K, Yoshida M, Maeda Y, Nokubi T. Association of masticatory performance with age, gender, number of teeth, occlusal force and salivary flow in Japanese older adults: is ageing a risk factor for masticatory dysfunction? Arch Oral Biol. 2011;56(10):991–6.
Article
PubMed
Google Scholar
Morita K, Tsuka H, Kato K, Mori T, Nishimura R, Yoshida M, Tsuga K. Factors related to masticatory performance in healthy elderly individuals. J Prosthodont Res. 2018;62(4):432–5.
Article
PubMed
Google Scholar
Minakuchi S, Tsuga K, Ikebe K, Ueda T, Tamura F, Nagao K, Furuya J, Matsuo K, Yamamoto K, Kanazawa M, et al. Oral hypofunction in the older population: position paper of the Japanese Society of Gerodontology in 2016. Gerodontology. 2018;35(4):317–24.
Article
PubMed
Google Scholar
van der Bilt A. Assessment of mastication with implications for oral rehabilitation: a review. J Oral Rehabil. 2011;38(10):754–80.
Article
PubMed
Google Scholar
Jacobsen HC, Wahnschaff F, Trenkle T, Sieg P, Hakim SG. Oral rehabilitation with dental implants and quality of life following mandibular reconstruction with free fibular flap. Clin Oral Investig. 2016;20(1):187–92.
Article
PubMed
Google Scholar
Matsui Y, Ohno K, Michi K, Suzuki Y, Yamagata K. A computerized method for evaluating balance of occlusal load. J Oral Rehabil. 1996;23(8):530–5.
Article
PubMed
Google Scholar
Suzuki T, Kumagai H, Watanabe T, Uchida T, Nagao M. Evaluation of complete denture occlusal contacts using pressure-sensitive sheets. Int J Prosthodontics. 1997;10(4):386–91.
Google Scholar
Detection NCEPEPo, Adults ToHBCi: Third report of the National Cholesterol Education Program (NCEP) Expert Panel on detection, evaluation, and treatment of high blood cholesterol in adults (Adult Treatment Panel III): The Program; 2002.
Tonetti MS, Greenwell H, Kornman KS. Staging and grading of periodontitis: framework and proposal of a new classification and case definition. J Clin Periodontol. 2018;45(S20):S149–61.
Article
PubMed
Google Scholar
Shin MS, Shin YJ, Karna S, Kim HD. Rehabilitation of lost teeth related to maintenance of cognitive function. Oral Dis. 2019;25(1):290–9.
Article
PubMed
Google Scholar
Abellan van Kan G, Rolland YM, Morley JE, Vellas B. Frailty: toward a clinical definition. J Am Med Dir Assoc. 2008;9(2):71–2.
Article
PubMed
Google Scholar
Ikebe K, Matsuda K, Morii K, Furuya-Yoshinaka M, Nokubi T, Renner RP. Association of masticatory performance with age, posterior occlusal contacts, occlusal force, and salivary flow in older adults. Int J Prosthodont. 2006;19(5):475–81.
PubMed
Google Scholar
Kim M-S, Oh B, Yoo JW, Han D-H. The association between mastication and mild cognitive impairment in Korean adults. Medicine. 2020;99(23): e20653.
Article
PubMed
PubMed Central
Google Scholar
Kosaka T, Ono T, Kida M, Kikui M, Yamamoto M, Yasui S, Nokubi T, Maeda Y, Kokubo Y, Watanabe M, et al. A multifactorial model of masticatory performance: the Suita study. J Oral Rehabil. 2016;43(5):340–7.
Article
PubMed
Google Scholar
Limpuangthip N, Somkotra T, Arksornnukit M. Subjective and objective measures for evaluating masticatory ability and associating factors of complete denture wearers: a clinical study. J Prosthet Dent. 2021;125:287–93.
Article
PubMed
Google Scholar
Gordon SR, Kelley SL, Sybyl JR, Mill M, Kramer A, Jahnigen DW. Relationship in very elderly veterans of nutritional status, self-perceived chewing ability, dental status, and social isolation. J Am Geriatr Soc. 1985;33(5):334–9.
Article
PubMed
Google Scholar
Hirai T, Ishijima T, Koshino H, Anzai T. Age-related change of masticatory function in complete denture wearers: evaluation by a sieving method with peanuts and a food intake questionnaire method. Int J Prosthodont. 1994;7(5):454–60.
PubMed
Google Scholar
Kimura Y, Ogawa H, Yoshihara A, Yamaga T, Takiguchi T, Wada T, Sakamoto R, Ishimoto Y, Fukutomi E, Chen W, et al. Evaluation of chewing ability and its relationship with activities of daily living, depression, cognitive status and food intake in the community-dwelling elderly. Geriatr Gerontol Int. 2013;13(3):718–25.
Article
PubMed
Google Scholar
Kimura Y, Wada T, Ishine M, Ishimoto Y, Kasahara Y, Hirosaki M, Konno A, Nakatsuka M, Sakamoto R, Okumiya K, et al. Community-dwelling elderly with chewing difficulties are more disabled, depressed and have lower quality of life scores. Geriatr Gerontol Int. 2009;9(1):102–4.
Article
PubMed
Google Scholar
Ohara Y, Hirano H, Watanabe Y, Edahiro A, Sato E, Shinkai S, Yoshida H, Mataki S. Masseter muscle tension and chewing ability in older persons. Geriatr Gerontol Int. 2013;13(2):372–7.
Article
PubMed
Google Scholar
Murakami M, Watanabe Y, Edahiro A, Ohara Y, Obuchi S, Kawai H, Kim H, Fujiwara Y, Ihara K, Murakami M, et al. Factors related to dissociation between objective and subjective masticatory function in Japanese community-dwelling elderly adults. J Oral Rehabil. 2018;45(8):598–604.
Article
PubMed
Google Scholar
Schimmel M, Memedi K, Parga T, Katsoulis J, Müller F. Masticatory performance and maximum bite and lip force depend on the type of prosthesis. Int J Prosthodont. 2017;30(6):565–72.
Article
PubMed
Google Scholar
Inomata C, Ikebe K, Kagawa R, Okubo H, Sasaki S, Okada T, Takeshita H, Tada S, Matsuda K, Kurushima Y, et al. Significance of occlusal force for dietary fibre and vitamin intakes in independently living 70-year-old Japanese: from SONIC Study. J Dent. 2014;42(5):556–64.
Article
PubMed
Google Scholar
Kugimiya Y, Watanabe Y, Igarashi K, Hoshino D, Motokawa K, Edahiro A, Ueda T, Takano T, Sakurai K, Taniguchi Y, et al. Factors associated with masticatory performance in community-dwelling older adults: A cross-sectional study. J Am Dent Assoc. 2020;151(2):118–26.
Article
PubMed
Google Scholar
Ishimiya M, Nakamura H, Kobayashi Y, Noguchi-Shinohara M, Abe C, Dohmoto C, Ikeda Y, Tokuno K, Ooi K, Yokokawa M, et al. Tooth loss-related dietary patterns and cognitive impairment in an elderly Japanese population: the Nakajima study. PLoS ONE. 2018;13(3):e0194504–e0194504.
Article
PubMed
PubMed Central
Google Scholar
Kim MJ, Hong JY, Lee G, Yoon T, Hwang SH, Kim HH, Jung Y, Park JS. Effects of chewing exercises on the occlusal force and masseter muscle thickness in community-dwelling Koreans aged 65 years and older: a randomised assessor-blind trial. J Oral Rehabil. 2020;47(9):1103–9.
Article
PubMed
Google Scholar
Nakagawa K, Matsuo K, Takagi D, Morita Y, Ooka T, Hironaka S, Mukai Y. Effects of gum chewing exercises on saliva secretion and occlusal force in community-dwelling elderly individuals: a pilot study. Geriatr Gerontol Int. 2017;17(1):48–53.
Article
PubMed
Google Scholar