Condylectomy as the treatment for active unilateral condylar hyperplasia of the mandible and severe facial asymmetry: retrospective review over 18 years

被引:19
作者
Kim, J. -Y. [1 ]
Ha, T. -W. [1 ]
Park, J. H. [1 ]
Jung, H. -D. [1 ]
Jung, Y. -S. [1 ]
机构
[1] Yonsei Univ, Dept Oral & Maxillofacial Surg, Oral Sci Res Ctr, Coll Dent, Seoul, South Korea
关键词
condylectomy; temporomandibular joint; unilateral condylar hyperplasia; facial asymmetry; orthognathic surgery; HEMIMANDIBULAR HYPERPLASIA; SKELETAL SCINTIGRAPHY; BONE-SCINTIGRAPHY; MANAGEMENT; DIAGNOSIS; EFFICACY;
D O I
10.1016/j.ijom.2019.06.022
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Unilateral condylar hyperplasia (UCH) of the mandible is a disorder affecting the condyle size, resulting in facial asymmetry. This study was a retrospective review of 27 patients with UCH who underwent condylectomy between 2000 and 2017 at Yonsei University Dental Hospital. Patient demographic characteristics were summarized. UCH was divided into three subtypes: hemimandibular elongation (HE, n = 15), hemimandibular hyperplasia (HH, n = 4), and osteochondroma (OC, n = 8). Of the 27 patients, only one with the HE type and five (18.5%) with the OC type complained of joint pain. Bone scans of all patients showed higher uptake on the UCH side. Lip and maxillary canting was prominent in the HH and HE types. Five patients (18.5%) underwent condylectomy alone, 13 (48.1%) underwent condylectomy with orthodontic treatment, and nine (33.3%) underwent adjunctive jaw surgery with orthodontic treatment. The treatment modalities varied according to the subtype. In all OC type patients, removal of the hyperplastic condyle treated the facial asymmetry. Additional post-surgical orthodontic treatment was necessary in only three cases (37.5%). All HH type patients required mandibuloplasty. All patients showed a stable occlusal outcome without relapse and an improvement in subjective symptoms, despite a decrease in mouth opening of 2.2 mm. These findings might be useful in treatment planning for UCH patients.
引用
收藏
页码:1542 / 1551
页数:10
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