A multi-institution investigation of the status of patients who complain of occlusal discomfort

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  • SHIBUYA Tomoaki
    Department of Prosthodontic Dentistry for Function of TMJ and Occlusion, Kanagawa Dental University Graduate School of Dentistry
  • WAKE Hiroyuki
    Department of Prosthodontic Dentistry for Function of TMJ and Occlusion, Kanagawa Dental University Graduate School of Dentistry
  • TAMAKI Katsuji
    Department of Prosthodontic Dentistry for Function of TMJ and Occlusion, Kanagawa Dental University Graduate School of Dentistry
  • SHIMADA Atsushi
    Department of Prosthodontic Dentistry for Function of TMJ and Occlusion, Kanagawa Dental University Graduate School of Dentistry
  • KOYANO Kiyoshi
    Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation Faculty of Dental Science, Kyusyu University Graduate School of Dentistry
  • MASUMI Shinichi
    Division of Occlusion & Maxillofacial Reconstruction, Department of Oral Function, School of Dentistry, Kyusyu Dental University
  • KUBOKI Takuo
    Department of Oral Rehabilitation and Regenerative Medicine, Okayama University Graduate School of Medicine Dentistry and Pharmaceutical Sciences
  • MINAGI Shogo
    Department of Occlusal and Oral Functional Rehabilitation, Okayama University Graduate School of Medicine Dentistry and Pharmaceutical Sciences
  • SADAMORI Shinsuke
    Department of Advanced Prosthodontics, Applied Life Sciences, Hiroshima University Graduate School of Biomedical & Health Sciences
  • YATANI Hirofumi
    Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry
  • FUJISAWA Masanori
    Division of Fixed Prosthodontics, Department of Restorative and Biomaterials Sciences, School of Dentistry, Meikai University
  • HAYASHI Katsuhiko
    Department of Dentistry, Jikei University School of Medicine
  • TAMAI Kazuki
    Department of Dentistry, Jikei University School of Medicine
  • NARITA Noriyuki
    Department of Oral Function and Rehabilitation, Nihon University School of Dentistry Hospital at Matsudo
  • HARA Setsuhiro
    TMD Clinic, The Nippon Dental University Hospital
  • BABA Kazuyoshi
    Department of Prosthodontics, Showa University
  • OGUCHI Hitoshi
    Department of Geriatric Dentistry, Tsurumi University School of Dental Medicine
  • KANEMURA Kiyotaka
    Department of Prosthodontics and Oral Implantology, Iwate Medical University
  • YAMAGUCHI Taihiko
    Department of Crown and Bridge Prosthodontics, Graduate School of Dental Medicine, Hokkaido University
  • NISHIKAWA Yoji
    Nishikawa Dental Clinic Medical Corporation
  • TSUKAHARA Hiroyasu
    Tsukahara Dental Clinic Medical Corporation
  • MATSUKA Yoshizo
    Department of Stomatognathic Function and Occlusal Reconstruction, Institute of Health Biosciences, The University of Tokushima Graduate School
  • HAYAMA Rika
    Department of Stomatognathic Function and Occlusal Reconstruction, Institute of Health Biosciences, The University of Tokushima Graduate School

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Other Title
  • 咬合違和感を訴える患者の実態に関する多施設実態調査

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Purpose: We gathered data and evaluated the conditions associated with patients with occlusal discomfort at multiple institutions. Subjects and Methods: A total of 202 outpatients were recruited, and 180 patients were selected for further evaluation. We designed a questionnaire and analyzed the parameters of sex, age, illness duration, chief complaint, tooth, affected part and state of occlusal discomfort, and past dental treatment before consultation. Results: There were 143 female and 37 male patients, with a median age of 55.0 (42.0, 65.0) years. The median illness duration was 5 (1, 13) months. The most common chief complaint was contact of the intercuspal position. Although the site of occlusal discomfort was often the molars, at times it also presented in the incisors. Additionally, occlusal discomfort was experienced in various parts, not only on one side but also on both sides, and many patients experienced discomfort in their full dental arch. Although metallic prostheses for teeth often cause occlusal discomfort, there were also many cases of occlusal discomfort with natural teeth. In the past, the most common treatment was prosthetic dental care. Conclusion: Although the sex and median age of the patients were the same as those in previous reports, the duration of illness varied. The patients experienced occlusal discomfort not only in the treated teeth but also in the natural teeth of various parts.

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