土耳其患者人群中下颌骨双髁的发生率。
The frequency of bifid mandibular condyle in a Turkish patient population.
机构信息
Department of Oral Diagnosis and Radiology, Faculty of Dentistry, Ataturk University, 25240, Erzurum, Turkey.
出版信息
Dentomaxillofac Radiol. 2010 Jan;39(1):42-6. doi: 10.1259/dmfr/38196548.
OBJECTIVE
The objective of this study was to investigate the frequency and pattern of bifid mandibular condyles (BMCs).
METHODS
A retrospective study was performed using panoramic radiographs from 10 200 patients undergoing dental treatment in the Department of Oral and Maxillofacial Radiology (Erzurum, Turkey) between 1996 and 2008.
RESULTS
Of the 10 200 patients, 32 (0.3%) had BMCs, of whom 17 were female (53.1%) and 15 were male (46.9%). The age range of the patients with BMCs was 5 to 71 years (mean age 30.0+/-0.40). Of these 32 patients, 24 (75.0%) had unilateral and 8 (25.0%) had bilateral BMCs, none of the patients had a history of trauma. No symptoms associated with bifid condyles were observed in any of the patients with BMCs.
CONCLUSIONS
It is possible that BMC is a more frequent condition than is commonly perceived. However, because of the minimal symptoms associated with this condition, the authors believe that it will remain an incidental finding upon routine radiographic examination, rather than a clinical observation. Nevertheless, in symptomatic cases or in cases where surgical treatment is planned, panoramic radiographs should be supplemented with CT.
目的
本研究旨在探讨下颌骨双髁（BMC）的发生频率和模式。
方法
对 1996 年至 2008 年间在口腔颌面放射科（土耳其埃尔祖鲁姆）接受治疗的 10200 名患者的全景片进行回顾性研究。
结果
在 10200 名患者中，有 32 名（0.3%）存在 BMC，其中 17 名女性（53.1%），15 名男性（46.9%）。BMC 患者的年龄范围为 5 至 71 岁（平均年龄 30.0+/-0.40）。这 32 名患者中，24 名（75.0%）为单侧，8 名（25.0%）为双侧 BMC，均无创伤史。在存在 BMC 的患者中，未观察到与分叉髁相关的任何症状。
结论
BMC 的发生频率可能比普遍认为的要高。然而，由于这种情况的症状轻微，作者认为它将仍然是常规影像学检查中的偶然发现，而不是临床观察。尽管如此，在有症状的病例或计划进行手术治疗的情况下，全景片应补充 CT 检查。
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