Abstract:
:When patients seeking treatment for malocclusion also suffer from temporomandibular joint (TMJ) disorders, it is hard to predict the result of simultaneous treatment of both conditions, or to plan for its different goals, because of unpredictable changes in the relationship between the disk, the fossa and the condylar head. Prediction is harder in cases of presurgical TMJ hypomobility, especially those with adhesion in the upper TMJ compartment. Authors differ widely on the likely effect of orthognathic surgery on TMJ disorders. This paper reports three cases in which TMJ disorders worsened after treatment of malocclusion by sagittal split osteotomy. It examines how presurgical diagnosis of TMJ disorders could assist treatment planning in such cases. The results suggest that microbleeding in the upper TMJ compartment during orthognathic surgery, as well as long-term postoperative intermaxillary fixation, carries a risk of creating worse adhesion that adversely affects the outcome for patients. Therefore, preoperative diagnosis of disk position and pathological conditions in the upper TMJ compartment, as well as careful choice of method and term of postoperative fixation, are essential in planning the treatment of malocclusion with sagittal split osteotomy.
journal_name
J Oral Scijournal_title
Journal of oral scienceauthors
Hori M,Okaue M,Hasegawa M,Harada D,Kamogawa D,Matsumoto M,Tanaka Hdoi
10.2334/josnusd.41.133subject
Has Abstractpub_date
1999-09-01 00:00:00pages
133-9issue
3eissn
1343-4934issn
1880-4926journal_volume
41pub_type
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