Association of symptomless TMJ sounds with occlusal force and masticatory performance in older adults

Journal of Oral Rehabilitation
K IkebeTakashi Nokubi

Abstract

This study investigated associations between temporomandibular joint (TMJ) sounds and occlusal force or masticatory performance stratified by posterior occlusal supports in older Japanese adults. The subjects consisted of 1646 independently living people over 60 years. Masticatory performance, occlusal force, TMJ sounds and maximal mouth opening were examined. Posterior occlusal supports were classified by the Eichner Index. The prevalence of TMJ sounds was 27.7%, limitation of mouth opening (< 40 mm) was 7.9% and TMJ pain was only 1.5%. In the Eichner C group, TMJ sounds were significantly associated with lower occlusal force (OR = 3.20, P = 0.046) and lower masticatory performance (OR = 3.18, P = 0.041) after controlling for gender and age. These associations were not found in the Eichner A and B groups. Within the limitations of this study, the presence of TMJ sounds, even if they were symptomless, was associated with impairment of masticatory function in older adults with reduced occlusal support.

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Citations

Mar 29, 2012·The Bulletin of Tokyo Dental College·Koichi YoshinoTakashi Matsukubo
Dec 22, 2012·The Kurume Medical Journal·Makoto TetsukaKoh-Ichi Yamaki
Sep 5, 2012·Journal of Oral Rehabilitation·K YoshinoT Matsukubo
Aug 18, 2012·Journal of Oral Rehabilitation·K SipiläA L Suominen
Jun 2, 2015·Journal of Maxillofacial and Oral Surgery·Boyen HuangKazuhisa Bessho
Jan 12, 2019·Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia·Jelena TodicMilos Staletovic
Oct 22, 2019·Journal of Oral Science·Kentaro IgarashiYasuhiko Kawai
May 29, 2019·The Journal of the American Osteopathic Association·Nilton Sodi SaueressigNilton Gustavo Saueressig
Oct 9, 2019·The Journal of the Acoustical Society of America·Jungyun SeoTaehong Cho
Jul 24, 2018·Journal of Maxillofacial and Oral Surgery·Minh Son NguyenTriin Jagomägi
Dec 5, 2019·Special Care in Dentistry : Official Publication of the American Association of Hospital Dentists, the Academy of Dentistry for the Handicapped, and the American Society for Geriatric Dentistry·Aminata DumbuyaSaulo L Sousa Melo

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