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颞颌关节紊乱在口腔颌面外科十分常见,男女比例为8∶1～10∶1,已被尸解研究证实。Grosfeld等报道,TMJ紊乱在成人的患病率为68％,在青年女性中患病率更高。发病年龄有两个高峰,即15～25岁和45～55岁。显然,第一高峰与青春期有关,第二高峰则与绝经有关。Ganshorn和G(?)rtner提出,雌激素水平低下是TMJ紊乱的发病因素。Loewit等报告,卵巢皮质激素,特别是雌激素紊乱,是TMJ紊乱的重要致病因
Temporomandibular joint disorder is very common in oral and maxillofacial surgery, male to female ratio of 8: 1 to 10: 1, has been confirmed by autopsy study. Grosfeld et al reported that the TMJ disorder had a 68% prevalence in adults and a higher prevalence among young women. There are two peak incidence age, that is, 15 to 25 years old and 45 to 55 years old. Obviously, the first peak is related to adolescence and the second peak is related to menopause. Ganshorn and Görtner suggest that low estrogen levels are the causative agent of TMJ disorders. Loewit et al reported that ovarian cortex hormones, estrogen disorders in particular, is an important cause of TMJ disorders