Occlusal force and condylar motion in patients with anterior open bite

S. Miyawaki, Y. Araki, Y. Tanimoto, A. Katayama, A. Fujii, M. Imai, T. Takano-Yamamoto

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)


Patients with open bite often show a weak occlusal force and temporomandibular disorders (TMDs). If these are the main cause of open bite, it may be hypothesized that both pre-pubertal and adult open-bite patients would show a weak occlusal force and abnormal condylar motion. The purpose of this study was to test this hypothesis. Test group subjects consisted of 13 consecutive pre-pubertal and 13 adult patients with anterior open bite. They were compared with age-matched normal subjects. The adult open-bite group showed a weaker occlusal force and a shorter range of condylar motion compared with the control subjects. In the pre-pubertal subjects, however, there were no significant differences in the occlusal force and range of condylar motion between the open-bite and control groups. Therefore, these results suggest that a weak occlusal force or TMDs may not be the main cause of open bite.

Original languageEnglish
Pages (from-to)133-137
Number of pages5
JournalJournal of dental research
Issue number2
Publication statusPublished - 2005 Feb
Externally publishedYes


  • Anterior open bite
  • Condylar motion
  • Occlusal force
  • Orthodontic patients
  • Temporomandibular joint (TMJ)

ASJC Scopus subject areas

  • Dentistry(all)


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