PMID: 18426101Apr 23, 2008Paper

Risk factors for post-orthognathic condylar resorption: a review

World Journal of Orthodontics
Daljit S GillFarhad B Naini

Abstract

To evaluate the current evidence identifying risk factors for post-orthognathic mandibular condylar resorption. Studies published between January 1980 and August 2006 related to post-orthognathic condylar resorption were identified by searching the following databases: PubMed, Medline, EMBASE, PsycInfo, DARE, CENTRAL, and the Cochrane database of systematic reviews. The following keywords were used to identify relevant publications: condylar resorption, progressive condylar resorption, condylar atrophy, dysfunctional remodeling, and condylysis. A hand search of these papers was also carried out to identify additional articles. A number of methodological flaws are present within the current literature, including the comparison of nonmatched patient groups and poor imaging techniques, which makes evaluation difficult. Significant risk factors identified for condylar resorption include being female with mandibular retrognathia associated with an increased mandibular plane angle, the presence of pretreatment condylar atrophy, and undergoing posterior condylar displacement and upward and forward rotation of the mandible at the time of surgery. Better-controlled studies are required to fully understand the link between condylar resor...Continue Reading

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