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עמוד בית
Thu, 13.06.24

ORIGINALS

IMAJ | volume 26

Journal 5, May 2024
pages: 289-293

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

1 Department of Neurology, Sheba Medical Center, Tel Hashomer, Israel 2 Department of Oral and Maxillofacial Surgery, Bnai Zion Medical Center, Haifa, Israel 3 Department of Plastic Surgery, Bnai Zion Medical Center, Haifa, Israel 4 Department of Oral and Maxillofacial Surgery, Hadassah Medical Center, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem, Israel 5 Maxillofacial Surgery, Private Practice, Jerusalem, Israel 6 Tel Aviv Sourasky Medical Center, Tel Aviv, Israel 7 Rappaport Faculty of Medicine, Technion–Israel Institute of Technology, Haifa, Israel

Summary

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 lip cant. Patient satisfaction from treatment or desire and undergo further corrective surgery was reported.

Results:

Chin deviation decreased after condylectomy from a mean of 4.8⁰ to a mean of 1.8⁰ (P < 0.001). Lip cant decreased after condylectomy from a mean of 3.5⁰ to a mean of 1.5⁰ (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.

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