Minakuchi, Shunsuke Tokyo Medical and Dental University
Tsuga, Kazuhiro Hiroshima University
Ikebe, Kazunori Osaka University
Ueda, Takayuki Tokyo Dental College
Tamura, Fumiyo The Nippon Dental University
Nagao, Kan Tokushima University Tokushima University Educator and Researcher Directory KAKEN Search Researchers
Furuya, Junichi Tokyo Medical and Dental University
Matsuo, Koichiro Fujita Health University
Yamamoto, Ken Tsurumi University
Kanazawa, Manabu Tokyo Medical and Dental University
Watanabe, Yutaka Tokyo Metropolitan Institute of Gerontology
Hirano, Hirohiko Tokyo Metropolitan Institute of Gerontology
Kikutani, Takeshi The Nippon Dental University
Sakurai, Kaoru Tokyo Dental College
Background: There is growing international interest in identifying the effects of ageing on oral health and on appropriate strategies for managing oral disorders. The Japanese Society of Gerodontology (JSG), as the official representative of researchers and clinicians interested in geriatric dentistry in Japan, makes several recommendations on the concept of “oral hypofunction.”
Aims: This study proposes diagnostic criteria and management strategies to reduce the risk of oral hypofunction among older people.
Conceptual Framework: We define oral hypofunction as a presentation of 7 oral signs or symptoms: oral uncleanness; oral dryness; decline in occlusal force; decline in motor function of tongue and lips; decline in tongue pressure; decline in chewing function; and decline in swallowing function. The criteria of each symptom were determined based on the data of previous studies, and oral hypofunction was diagnosed if the criteria for 3 or more signs or symptoms were met.
Conclusions: We recommend that more evidence should be gathered from clinical studies and trials to clarify our diagnostic criteria and management strategies.
The Gerodontology Association|John Wiley & Sons
This is an open access article under the terms of the Creative Commons Attribution License(https://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
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