Temporomandibular joint adaptation following inferior repositioning of the maxilla in adult monkeys.

H. Kawamura, J. G. Qujada, G. S. Throckmorton, W. H. Bell

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Treatment of adults with vertical maxillary deficiency (short faces) has continually been an intriguing challenge for surgeons and orthodontists. For this category of patients, the introduction of simultaneous bone grafting and Le Fort I osteotomy has opened the door for improved treatment. However, despite the improved surgical techniques, surgeons have been reluctant to increase the vertical dimension of the maxilla by Le Fort I osteotomy with interpositional bone grafts because of inconsistent and variable stability after surgery. This study examines structural and functional adaptation of the adult temporomandibular joint and stability in a primate model following surgical lengthening of the maxilla in the vertical dimension. Results suggest that maxillary surgery and autorotation can alter condylar stress within physiologic ranges. However, further studies are indicated to clarify the surgery's long-term effect.

Original languageEnglish (US)
Pages (from-to)51-58
Number of pages8
JournalCranio : the journal of craniomandibular practice
Issue number1
StatePublished - Jan 1992

ASJC Scopus subject areas

  • Otorhinolaryngology
  • Dentistry(all)


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