Can the Measurement of Jaw-Opening Forces Assist in the Diagnosis of Temporomandibular Disorders?

IF 1.9 3区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of Oral & Facial Pain and Headache Pub Date : 2020-06-01 DOI:10.11607/ofph.2587

Jithendra Ratnayake, Guangzhao Guan, Ajith Polonowita, Kai Chun Li, Andrew R Gray, J Neil Waddell, Carolina Loch, Paul A Brunton

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引用次数: 2

Abstract

Aims: To investigate the effectiveness of a novel jaw-opening-force measuring device as a screening tool to aid in the diagnosis of temporomandibular disorders (TMD).

Methods: Symptomatic TMD patients (n = 58) and control TMD-free participants (n = 56) were screened by an oral medicine specialist according to the Diagnostic Criteria for TMD (DC/TMD). TMD patients were divided into three subcategories based on TMD symptoms (myofascial pain, disc displacement, and both combined). Jaw-opening forces were measured in both groups with an adjustable head device connected to a 1,000-N-load cell. Seven attempts were recorded at 10-second intervals by a data-capturing system. The geometric mean force values were obtained after discarding the first and last attempts.

Results: TMD-free participants had greater jaw-opening forces than TMD patients both without and with adjustments for age, sex, height, and weight (both P < .001). The geometric mean ± standard deviation values for TMD patients were 18.5 ± 1.62 N and 47.7 ± 1.53 N for TMD-free participants. Differences in jaw-opening forces among the three TMD subcategories were not statistically significant; however, patients with disc displacement (23.7 ± 1.46 N) had greater jaw forces than patients with myofascial pain (17.0 ± 1.74 N) and both myofascial pain and disc displacement (17.0 ± 1.56 N).

Conclusion: This study demonstrated that differences in jaw-opening forces could be used as a diagnostic tool for TMD. Future studies should explore the potential of this device to measure improvement in jaw-opening forces following TMD treatment.

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下颌张开力的测量是否有助于颞下颌疾病的诊断?

目的:探讨一种新型的下颌开口力测量装置作为筛查工具在颞下颌疾病(TMD)诊断中的有效性。方法:由口腔医学专家根据TMD诊断标准(DC/TMD)筛选有症状的TMD患者(58例)和无TMD的对照组(56例)。TMD患者根据TMD症状(肌筋膜疼痛、椎间盘移位和两者合并)分为三个亚类。两组的下颌张开力都是用一个可调节的头部装置连接到一个1000 - n的称重传感器来测量的。数据捕捉系统每隔10秒记录7次尝试。丢弃第一次和最后一次尝试后得到几何平均力值。结果:没有TMD的参与者比没有或有年龄、性别、身高和体重调整的TMD患者有更大的开颚力(P < 0.001)。TMD患者的几何平均值±标准偏差值为18.5±1.62 N，无TMD患者的几何平均值±标准偏差值为47.7±1.53 N。三种TMD亚型患者的颌面张开力差异无统计学意义;然而，椎间盘移位患者(23.7±1.46 N)比肌筋膜疼痛患者(17.0±1.74 N)和肌筋膜疼痛和椎间盘移位患者(17.0±1.56 N)有更大的颌力。结论:本研究表明，下颌张开力的差异可以作为TMD的诊断工具。未来的研究应探索该装置的潜力，以衡量TMD治疗后下颌张开力的改善。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Oral & Facial Pain and Headache DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

5.10

自引率

4.00%

发文量

期刊介绍： Founded upon sound scientific principles, this journal continues to make important contributions that strongly influence the work of dental and medical professionals involved in treating oral and facial pain, including temporomandibular disorders, and headache. In addition to providing timely scientific research and clinical articles, the journal presents diagnostic techniques and treatment therapies for oral and facial pain, headache, mandibular dysfunction, and occlusion and covers pharmacology, physical therapy, surgery, and other pain-management methods.