Huber M A, Hall E H
Oral Diagnosis Department, Naval Dental School, National Naval Dental Center, Bethesda, Md.
Oral Surg Oral Med Oral Pathol. 1990 Aug;70(2):180-3. doi: 10.1016/0030-4220(90)90115-9.
To date, there has been no conclusive explanation for the predominance of female patients with temporomandibular joint (TMJ) dysfunction. The purpose of this study was to survey a normal population without symptoms for the presence of certain putative signs of TMJ dysfunction in association with certain signs of occlusal discrepancy and to determine the presence of any gender variation. The subjects (217 men and 217 women) were examined for the presence of three putative signs of TMJ dysfunction: limited mandibular opening (under 37 mm), deviation on opening, and joint sounds. The subjects were also examined for the presence of four signs of occlusal discrepancy: an anterior slide from centric relation (CR) to centric occlusion (CO), lateral slide from CR to CO, nonworking occlusal contacts, and working disclusive contacts distal to the canines. CR is the mandibular position at which the condyles are in their most superior position on the posterior aspect of the articular tubercles. CO is the mandibular position at which the mandibular and maxillary teeth are in maximum intercuspation. There were no significant differences in the prevalence of the putative signs of TMJ dysfunction and occlusal discrepancy between men and women. It was concluded that factors other than the presence of these signs of TMJ dysfunction and occlusal discrepancy are responsible for the high predominance of female patients with TMJ dysfunction.
迄今为止，对于颞下颌关节（TMJ）功能障碍女性患者居多这一现象，尚无确凿的解释。本研究的目的是对无症状的正常人群进行调查，以了解与某些咬合差异体征相关的TMJ功能障碍特定假定体征的存在情况，并确定是否存在性别差异。对研究对象（217名男性和217名女性）检查了TMJ功能障碍的三个假定体征：下颌开口受限（小于37毫米）、开口时偏斜以及关节弹响。还对研究对象检查了咬合差异的四个体征：从正中关系（CR）到正中咬合（CO）的前向滑动、从CR到CO的侧向滑动、非工作侧咬合接触以及尖牙远中端的工作侧非平衡接触。CR是髁突位于关节结节后部最上位时的下颌位置。CO是下颌牙与上颌牙处于最大牙尖交错时的下颌位置。男性和女性在TMJ功能障碍假定体征和咬合差异的患病率方面没有显著差异。得出的结论是，除了这些TMJ功能障碍体征和咬合差异的存在之外，其他因素导致了TMJ功能障碍女性患者的高占比。
