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The International Journal of Adult Orthodontics & Orthogathic Surgery
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International Journal of Adult Orthodontics and Orthognathic Surgery

Year 1986
Volume 1 , Issue 1

Pages: 23 - 36

Stability and complications in 50 consecutively treated surgical-orthodontic patients: a retrospective longitudinal analysis from private practice


Fifty consecutively treated surgical-orthodontic cases from a private practice were evaluated retrospectively by clinical and radiographic analyses. Skeletal, dental, temporomandibular joint, soft tissue, medical, and psychological findings were recorded at a mean follow-up time of 3.4 years after surgery. Twenty-six patients had single-jaw surgery. Twent-four patients had double-jaw surgery with 14 of 24 involving sumultanwoue mibilizsation of the entier maxilla and mandible. The amount and directon of skeletal and dental changes were recorded at specific time intervals before,during, and after intermaxillary fixation. Skeletal relapse was seen to occur up to 3.5 years after surgery. Relapse appeared to be multifactorial with consiedrable variation from patient to patient. Skeletal relapse was greatest in double-jaw surgical cases that involved mandibular deficiency, vertical maxillary excess, and internal derangements of the temporomandibular joints. Condylar distraction from the fossae, inadequate fixation of mobilized segments, and alterations in proximal and distal bone segments from soft tissue influence were frequent factors in short-term relapse. Condylar remodeling was observed to be a long-term postsurgical factor in occlusal and facial skeletal changes. Methods to decrease relapse and complications are suggested. Subsequent reports will present soft tissue, medical, dental, and psychological findings.


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