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首页> 外文期刊>The Journal of Prosthetic Dentistry >Prevalence of dental occlusal variables and intraarticular temporomandibular disorders: molar relationship, lateral guidance, and nonworking side contacts.
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Prevalence of dental occlusal variables and intraarticular temporomandibular disorders: molar relationship, lateral guidance, and nonworking side contacts.

机译：牙齿咬合变量和关节内颞下颌疾病的患病率：磨牙关系，侧向引导和不工作的侧面接触。

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STATEMENT OF PROBLEM: The association between dental occlusion and the development of intraarticular temporomandibular disorders remains unclear. PURPOSE: This study evaluated the prevalence of molar relationship, lateral guidance and nonworking side contacts and intraarticular temporomandibular disorders. MATERIAL AND METHODS: Eighty-two asymptomatic volunteers and 263 symptomatic temporomandibular disorder (TMD) patients completed a subjective questionnaire that documented the absence of jaw pain, joint noise, locking, and a positive history for TMD. Participants also underwent clinical and dental examination for signs and symptoms commonly associated with TMD or internal derangements. RESULTS: The most prevalent molar relationship was Class I. Symptomatic patients had a higher prevalence of Class II, Division 1 relationships on the left side compared with the asymptomatic volunteers with normal joints. There was a higher prevalence of canine guidance (52.04%; P <.005) on the right side in the symptomatic patients with disk displacement (DD). Volunteers with normal joints had a higher prevalence of 1 or more nonworking side contacts compared with symptomatic patients with normal joints (P <.001) and symptomatic patients with DD (P <. 001). CONCLUSION: This study suggests there are no systematic dental occlusal differences that clearly separate symptomatic from asymptomatic patients. Results indicate that it is unclear as to the relationship of the 3 analyzed factors and of intraarticular TMDs.
机译：问题陈述：牙齿咬合与关节内颞下颌疾病发展之间的关系尚不清楚。目的：本研究评估了磨牙关系，侧向引导和非工作性侧面接触以及关节内颞下颌疾病的患病率。材料与方法：82名无症状志愿者和263例有症状的颞下颌关节疾病（TMD）患者完成了主观问卷调查，记录了没有颌骨疼痛，关节杂音，锁定和TMD阳性的历史。参与者还接受了临床和牙科检查，以了解通常与TMD或内部紊乱相关的体征和症状。结果：最普遍的磨牙关系是I级。有症状的患者与无关节正常的无症状志愿者相比，左侧的II级，1级关系患病率更高。有症状的伴有椎间盘移位（DD）的患者右侧的犬类指南的患病率较高（52.04％; P <.005）。关节正常的志愿者与有症状的关节正常的患者（P <.001）和有症状的DD患者（P <.001）相比，有1个或多个非工作侧接触的患病率更高。结论：这项研究表明，没有系统的牙合咬合差异将症状性和无症状性患者明确区分开。结果表明，尚不清楚3种分析因素与关节内TMD的关系。

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