Facial Asymmetry Caused by Mandibular Condylar Hyperplasia: A Two Center Study

Waseem Abboud*, Dror Shamir, Rania Elkhatib, Heli Rushinek, Yoli Bitterman, Mati Cohen Sela, Adir Cohen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Condylar hyperplasia is a non-neoplastic overgrowth of the mandibular condyle. The disorder is progressive and causes gradual jaw deviation, facial asymmetry, and dental malocclusion. The only treatment capable of stopping hyperplastic growth is surgical condylectomy to remove the upper portion of the condyle containing the deranged growth center. When this procedure is conducted in proportion to the length of the healthy side it may also correct the jaw deviation and facial asymmetry. Objectives: To assess the degree to which condylectomy corrects the asymmetry and to determine the proportion of patients after condylectomy who were satisfied with the esthetic result and did not desire further corrective surgery. Methods: We conducted a retrospective analysis of medical records of patients who underwent condylectomy that was not followed by corrective orthognathic surgery for at least 1 year to determine the degree of correction of chin deviation and lipcant. Patient satisfaction from treatment or desire and undergo further corrective surgery was reported. Results: Chin deviation decreased after condylectomy from a mean of 4.8° to a mean of 1.8° (P < 0.001). Lipcant decreased after condylectomy from a mean of 3.5° to a mean of 1.5° (P < 0.001). Most patients (72%) were satisfied with the results and did not consider further corrective orthognathic surgery.Conclusions: Proportional condylectomy could be a viable treatment to both arrest the condylar overgrowth and achieve some correction of the facial asymmetry.

Original languageEnglish
Pages (from-to)289-293
Number of pages5
JournalIsrael Medical Association Journal
Volume26
Issue number5
StatePublished - May 2024
Externally publishedYes

Keywords

  • chin deviation
  • condylar hyperplasia
  • condylectomy
  • facial asymmetry
  • orthognathic surgery

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