Clinical Study on Recovery of Jaw Functions. 1. The Jaw Functions after a Treatment of Mandibular Fractures.

DOI 3 Citations
  • KURITA Hiroshi
    Department of Dentistry and Oral Surgery, Shinshu University School of Medicine
  • KURASHINA Kenji
    Department of Dentistry and Oral Surgery, Shinshu University School of Medicine
  • KOBAYASHI Hiroichi
    Department of Dentistry and Oral Surgery, Shinshu University School of Medicine
  • OGISO Akira
    Department of Dentistry and Oral Surgery, Shinshu University School of Medicine
  • TAMURA Minoru
    Department of Dentistry and Oral Surgery, Shinshu University School of Medicine
  • MINEMURA Toshikazu
    Department of Dentistry and Oral Surgery, Shinshu University School of Medicine
  • TANAKA Koh-ichi
    Department of Dentistry and Oral Surgery, Shinshu University School of Medicine
  • KOTANI Akira
    Department of Dentistry and Oral Surgery, Shinshu University School of Medicine

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Other Title
  • 顎機能の回復に関する臨床的研究　第１報　下顎骨骨折治療後の顎機能について
  • 1: The Jaw Functions after a Treatment of Mandibular Fractures
  • 第1報: 下顎骨骨折治療後の顎機能について

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Abstract

The jaw functions and symptoms (joint pain, noise, range of motion, jaw tracking data, occlusion force and the acceptability for chewing) after treatment of mandibular bone fracture were evaluated.This study included 59 patients (31 patients with condylar process fracture and 28 with corporeal fracture).All patients were followed up for more than 12 months.<BR>In the patients with body fracture, many patients had joint pain (32.3%) and noise (51.6%), but other functions were well recovered.<BR>In condylar process fracture patients, 39.3% had joint pain and 57.1%had joint noise. In addition, abnormalities in mandibular tracking data were frequently observed. In most of them, transition of condylar head and lateral and protrusive movements of themandible were severely disturbed, but the range of maximum mouth opening was well recovered.And they were slightly inconvenienced by the diet.<BR>In almost all patients with both condylar and corporeal fracture, occlusal force was recovered sufficiently. And in unilarteral uracture patients, there was no difference of force between right and left side of occlusion.

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