Clinical course of masticatory function recovery following arthrocentesis in patients with unilateral mandibular condyle head fracture

Shinnosuke Nogami, Kensuke Yamauchi, Kuniyuki Izumita, Jun Kitamura, Yuri Takeda, Yoshio Otake, Shinki Koyama, Kyosuke Okuyama, Keiichi Sasaki, Tetsu Takahashi

Research output: Contribution to journalArticlepeer-review

Abstract

The aim of this study was to investigate the clinical course of masticatory function recovery following arthrocentesis. Patients with a unilateral condylar head fracture who underwent arthrocentesis for therapeutic reasons were evaluated and compared with patients with a unilateral condylar head fracture who did not undergo arthrocentesis. At 3 months after treatment, the occlusal contact area and maximum bite force in patients with a fracture treated with arthrocentesis were greater than in those who did not receive arthrocentesis at the same time points, although the differences were not significant. Moreover, at 1 and 3 months following arthrocentesis, mean (±SD) occlusal contact area (1 month: 1.99 ± 0.55 mm2, p = 0.01; 3 months: 2.90 ± 1.36 mm2, p = 0.03) and maximum bite force (1 month: 82.45 ± 15.04 N, p = 0.01; 3 months: 101.11 ± 14.53 N, p = 0.01) on the fractured side in patients who underwent that treatment were significantly reduced when compared with those on the non-fractured side. The authors conclude that if the priority is to avoid open reduction and internal fixation, then the arthrocentesis approach might be a less invasive alternative, albeit with the price of a prolonged healing interval.

Original languageEnglish
JournalJournal of Cranio-Maxillofacial Surgery
DOIs
Publication statusAccepted/In press - 2021

Keywords

  • Arthrocentesis
  • Mandibular condyle head fracture
  • Masticatory function
  • Maximum bite force
  • Occlusal contact area

ASJC Scopus subject areas

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology

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