The effect of occlusal appliances and clenching on the temporomandibular joint space

Takuo Kuboki, Yoshiharu Azuma, Maria G. Orsini, Tetsuhiko Hirooka, Hirofumi Yatani, Atsushi Yamashita

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

It has been suggested that stabilization appliances and mandibular anterior repositioning appliances ivork by decompressing the temporomandibular joint. To indirectly test this assumption, tomograms of right temporomandibular joints of seven subjects were taken during comfortable closure and maximum clenching in maximum intercuspation and on the two types of occlusal appliances. Outlines of the condyle and the temporal fossa were automatically determined by an edge detection protocol. Upon comfortable closure, the anterior joint space dimension was reduced with stabilization appliances and mandibular anterior repositioning appliances. Upon maximum clenching, the minimum joint space dimension on stabilization appliances was equivalent to that seen in maximum intercuspation, while that on mandibular anterior repositioning appliances was substantially less (P < .05). Findings do not indicate that these appliances induce an increase in joint space during clenching.

Original languageEnglish
Pages (from-to)67-77
Number of pages11
JournalJournal of Orofacial Pain
Volume11
Issue number1
Publication statusPublished - Dec 1 1997

Keywords

  • Image-analyzing procedure
  • Mandibular anterior repositioning appliance
  • Stabilization appliance
  • Temporomandibular disorders
  • Tomogram

ASJC Scopus subject areas

  • Dentistry(all)
  • Clinical Neurology
  • Anesthesiology and Pain Medicine

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    Kuboki, T., Azuma, Y., Orsini, M. G., Hirooka, T., Yatani, H., & Yamashita, A. (1997). The effect of occlusal appliances and clenching on the temporomandibular joint space. Journal of Orofacial Pain, 11(1), 67-77.