Şahin Onur, Kalabalik Fahrettin, Tatar Birkan, Odabaşi Onur
Department of Oral and Maxillofacial Surgery.
Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Izmir Katip Çelebi University, Izmir.
J Craniofac Surg. 2019 Oct;30(7):2236-2238. doi: 10.1097/SCS.0000000000005979.
Elongated styloid processes (ESP) may show clinical symptoms that are readily confused with symptoms associated with temporomandibular disorders (TMDs). The purpose of study was to compare the prevalance and characteristics of ESP in patients with TMD and asymptomatic individuals are examined by cone beam computed tomography.
Angulations and length of the styloid process (SP) were evaluated in CBCT images of 100 patients with TMD symptoms and 100 control patients, retrospectively. Differences between the patient and control groups were assessed by analysis independent sample t test. Pearson correlation test was used to evaluate between length and angulation of SP relationship.
The mean length of SP in the TMD group was 38.19 ± 8.6 mm for the right and 38.99 ± 8.1 mm for the right side. The mean length of SP in the control group was 36.80 ± 6.3 for the right side and 36.18 ± 6.5 mm for the left side. The mean anterior angulation of the SP in the TMD group was 22.08 ± 5.5 degree in the TMD group and 23.97 ± 4.1 degree in the control group. The mean medial angulation of the SP in the TMD group was 30.57 ± 4.9 degree and 29.89 ± 4.4 degree in the control group. There was no significant difference in length and angle between the groups (P > 0.05).
No correlation was found in terms of length and angulations of SP between TMD and control groups.
茎突过长（ESP）可能表现出与颞下颌关节紊乱病（TMD）相关症状容易混淆的临床症状。本研究的目的是通过锥形束计算机断层扫描检查，比较TMD患者和无症状个体中ESP的患病率及特征。
回顾性评估100例有TMD症状患者和100例对照患者的锥形束计算机断层扫描（CBCT）图像中茎突（SP）的角度和长度。通过独立样本t检验评估患者组和对照组之间的差异。采用Pearson相关检验评估SP长度与角度之间的关系。
TMD组右侧SP的平均长度为38.19±8.6mm，左侧为38.99±8.1mm。对照组右侧SP的平均长度为36.80±6.3mm，左侧为36.18±6.5mm。TMD组SP的平均前倾角为22.08±5.5度，对照组为23.97±4.1度。TMD组SP的平均内侧角为30.57±4.9度，对照组为29.89±4.4度。两组之间的长度和角度无显著差异（P>0.05）。
TMD组和对照组在SP的长度和角度方面未发现相关性。
