National Clinical Research Center for Oral Diseases, State Key Laboratory of Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min South Road, Chengdu 610041, China.
Pain Res Manag. 2021 Dec 11;2021:4852683. doi: 10.1155/2021/4852683. eCollection 2021.
To assess the differences in hyoid bone position in patients with and without temporomandibular joint osteoarthrosis (TMJOA).
The present cross-sectional study was conducted in 427 participants whose osseous status was evaluated using cone-beam computed tomography and classified into normal, indeterminate osteoarthrosis (OA), and OA. The hyoid bone position and craniofacial characteristics were evaluated using cephalograms. Patients were divided into the normal group ( = 89), indeterminate OA group ( = 182), and OA group ( = 156). Descriptive statistics, one-way analysis of variance, and age- and sex-based stratified analyses were performed. < 0.05 was considered statistically significant.
The differences in Hy to MP, Hy-RGn, Hy to C3-RGn, C3-RGn, and Go-Hy-Me among the three groups were statistically significant. The differences in the Frankfort-mandibular plane angle, saddle angle, articular angle, gonial angle, ramus height, and posterior facial height were statistically significant. After adjusting age and sex, the Hy-RGn and C3-RGn in the normal group were significantly greater than the OA group. No statistical differences were observed in the hyoid measurements in the stratified analyses in males or subjects less than 18 years old. The differences in Hy to MP, Hy to C3-RGn, and Go-Hy-Me in female patients among the three groups were statistically significant. The differences in Hy to SN, Hy to FH, Hy to PP, Hy to MP, Hy-RGn, Hy-C3, Hy to C3-RGn, Go-Hy-Me, Hy-S, and C3-Hy-S in adults were statistically significant.
The differences in the hyoid bone position, mainly relative to the mandible, were statistically significant in patients with or without TMJOA. The difference pattern varied among different age and sex groups. Clinical evaluation of the hyoid position must consider the age and sex of patients. Longitudinal studies are required to clarify the causal relationship between TMJOA and hyoid bone position.
评估患有和不患有颞下颌关节骨关节炎（TMJOA）的患者的舌骨位置差异。
本横断面研究共纳入 427 名参与者，使用锥形束 CT 对其骨骼状态进行评估，并分为正常、不确定型骨关节炎（OA）和 OA 型。使用头颅侧位片评估舌骨位置和颅面特征。将患者分为正常组（n=89）、不确定型 OA 组（n=182）和 OA 组（n=156）。进行描述性统计、单因素方差分析和基于年龄和性别的分层分析。P<0.05 被认为具有统计学意义。
三组间 Hy 至 MP、Hy-RGn、Hy 至 C3-RGn、C3-RGn 和 Go-Hy-Me 的差异有统计学意义。Frankfort 下颌平面角、鞍角、关节角、下颌角、下颌支高度和后面高的差异有统计学意义。调整年龄和性别后，正常组的 Hy-RGn 和 C3-RGn 明显大于 OA 组。在男性或 18 岁以下的分层分析中，舌骨测量值无统计学差异。女性患者三组间 Hy 至 MP、Hy 至 C3-RGn 和 Go-Hy-Me 的差异有统计学意义。Hy 至 SN、Hy 至 FH、Hy 至 PP、Hy 至 MP、Hy-RGn、Hy-C3、Hy 至 C3-RGn、Go-Hy-Me、Hy-S 和 C3-Hy-S 的差异有统计学意义。
TMJOA 患者和非 TMJOA 患者的舌骨位置存在差异，主要与下颌骨有关。不同年龄和性别组之间的差异模式不同。临床评估舌骨位置时必须考虑患者的年龄和性别。需要进行纵向研究以阐明 TMJOA 和舌骨位置之间的因果关系。
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