Division of TMD & Orofacial Pain, Department of Diagnostic and Biological Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN, USA.
Department of Prosthodontics, University of North Carolina, Chapel Hill, NC, USA.
J Oral Rehabil. 2021 May;48(5):542-550. doi: 10.1111/joor.13162. Epub 2021 Mar 7.
Clinical presentation of oromandibular dystonia (OMD) is variable that can be further complicated by the presence of temporomandibular disorder (TMD) symptoms. We sought to evaluate variations in the clinical presentation of OMD patients, particularly TMD-related characteristics, in two clinical settings.
In a cross-sectional study design, a Web-based data collection survey was provided to eligible patients with OMD from movement disorder (MD) and oro-facial pain (OFP) clinics. The survey questionnaire was designed to collect information on demographic characteristics, clinical presentation particularly related to TMD, quality of life and treatment outcomes. Validated questionnaires were used when available such as the TMD Pain Screener, EuroQol 5-Dimensions 5-Levels (EQ-5D-5L), Jaw Functional Limitation Scale and Global Rating of Change Scale.
Of 53 eligible patients, 31 responded to the survey for a 58% response rate. Forty-eight per cent of patients in the MD clinic and 60% of patients in the OFP clinic reported jaw pain along with involuntary movements. Of those, 90% from the MD group and 83% from the OFP group screened positive with the TMD Pain Screener at the onset of symptoms based on recall. Positive TMD Pain Screener response was observed in about 40% of patients in both clinics within 30 days of questionnaire response. No statistically significant differences were observed between two groups for any measured variables.
Patients with OMD have features of TMD, irrespective of the clinical setting in which they seek and receive care. OMD patients from both clinics were similar in terms of clinical presentation, quality of life and treatment outcomes.
口颌肌张力障碍（OMD）的临床表现多种多样，加之颞下颌关节紊乱（TMD）症状的存在，情况可能会更加复杂。我们旨在评估两种临床环境下 OMD 患者临床表现的差异，尤其是 TMD 相关特征。
采用横断面研究设计，向运动障碍（MD）和口腔颌面疼痛（OFP）诊所的 OMD 患者提供基于网络的在线数据收集调查问卷。调查问卷旨在收集人口统计学特征、与 TMD 相关的特定临床表现、生活质量和治疗结果等信息。在可用的情况下，我们使用了经过验证的问卷，如 TMD 疼痛筛查器、EuroQol 5 维度 5 水平（EQ-5D-5L）、下颌功能受限量表和总体变化评分。
53 名符合条件的患者中，有 31 名患者对调查做出了回应，回应率为 58%。MD 诊所的 48%和 OFP 诊所的 60%的患者报告伴有不自主运动的下颌疼痛。在这些患者中，90%来自 MD 组和 83%来自 OFP 组在症状发作时根据回忆使用 TMD 疼痛筛查器筛查呈阳性。在问卷回复后的 30 天内，两个诊所均有大约 40%的患者 TMD 疼痛筛查器呈阳性反应。两组之间在任何测量变量上均未观察到统计学上的显著差异。
无论患者寻求和接受治疗的临床环境如何，OMD 患者都具有 TMD 的特征。来自两个诊所的 OMD 患者在临床表现、生活质量和治疗结果方面相似。
