A survey of clinical signs of the temporomandibular joint and occlusion in patients with chronic rheumatoid arthritis and juvenile rheumatoid arthritis

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  • SHIGETA Koki
    Department of Pediatric Dentistry, Kagoshima University, Dental School
  • OKU Takeshi
    Department of Pediatric Dentistry, Kagoshima University, Dental School
  • HASEGAWA Hiroko
    Department of Pediatric Dentistry, Kagoshima University, Dental School
  • OGURA Tadashi
    Department of Pediatric Dentistry, Kagoshima University, Dental School
  • SUENAGA Shigeaki
    Department of Dental Radiology, Kagoshima University, Dental School

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  • 慢性関節リウマチおよび若年性関節リウマチ患者の顎関節の臨床症状とこう合状態に関する調査

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Abstract

The purpose of this study was to investigate the association between clinical signs of the temporomandibular joint (TMJ) and occlusion in chronic rheumatoid arthritis (RA) patients, and in juvenile rheumatoid arthritis (JRA) patients. The subjects were 72 RA patients (7 males and 65 females; mean age, 50.5 years) and 20 JRA patients (5 males and 15 females; mean age, 14.4 years). The results were as follows:<BR>1. In both the RA and JRA patient groups, the prevalence of TMJ dysfunction was higher in patients with malocclusion than in patients in the normal occlusion group. In addition, the prevalence of TMJ dysfunction was higher in patients with maxillary protrusion and open bite.<BR>2. Many RA patients had maxillary protrusion, while many JRA patients had open bite.<BR>3. No significant difference was found between the clinical signs of the TMJ and occlusion in both the RA and JRA patient groups.

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