Bäck Karin, Ahlqwist Margareta, Hakeberg Magnus, Björkelund Cecilia, Dahlström Lars
Department of Behavioral and Community Dentistry, Institute of Odontology, The Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden.
Department of Oral and Maxillofacial Radiology, Institute of Odontology, The Sahlgrenska Academy, University of Gothenburg, Göteborg, Sweden.
Gerodontology. 2017 Jun;34(2):187-194. doi: 10.1111/ger.12245. Epub 2016 Jul 19.
The aim was to elucidate the relation between osteoporosis and osteoarthritis/arthrosis (OA) in the temporomandibular joint (TMJ).
General epidemiological data support the hypothesis that osteoporosis and OA are inversely correlated but is not conclusively investigated in the TMJ.
A group of 114 representative elderly women and men, randomised from a comprehensive population study in Gothenburg, Sweden, had bone mineral density established with whole-body, dual-energy X-ray absorptiometry (DXA) as part of a health survey. In addition, dental examinations were performed, including panoramic radiographs exposed as an overview of the TMJ's and jaws. In 88 of the 80-year-old participants (48 women and 40 men), a clinical orofacial examination according to the RDC/TMD system was performed.
A diagnosis of osteopenia/osteoporosis was found in 36% of the 114, with a statistically different greater proportion of women. Condylar alterations evaluated from panoramic radiographs were observed in 34%, with no significant gender difference. No significant differences were found in the proportion of individuals with osteopenia/osteoporosis and any condylar radiographic alteration or not. Forty-one of the clinically examined subjects, 47%, fulfilled the criteria for an RDC/TMD diagnosis with no gender difference. All participants graded the orofacial pain as low chronic pain. An opening capacity of <40 mm denoted a higher risk of having pain in the temporomandibular system. No association was found between clinical diagnosis of RDC/TMD and osteopenia/osteoporosis.
The prevalence of osteopenia/osteoporosis appears not to be of importance for radiological or clinical findings of OA in the TMJ.
旨在阐明骨质疏松症与颞下颌关节（TMJ）骨关节炎/关节病（OA）之间的关系。
一般流行病学数据支持骨质疏松症与OA呈负相关的假说，但在TMJ中尚未进行最终研究。
从瑞典哥德堡的一项综合人群研究中随机抽取114名具有代表性的老年男性和女性，作为健康调查的一部分，采用全身双能X线吸收法（DXA）测定骨密度。此外，还进行了牙科检查，包括拍摄全景X线片以观察TMJ和颌骨的整体情况。在80岁的参与者中，有88人（48名女性和40名男性）根据RDC/TMD系统进行了临床口腔颌面检查。
在114名参与者中，36%被诊断为骨质减少/骨质疏松症，女性比例在统计学上更高。从全景X线片评估的髁突改变在34%的参与者中观察到，无显著性别差异。在骨质减少/骨质疏松症患者和有或无任何髁突X线改变的个体比例上未发现显著差异。41名接受临床检查的受试者（47%）符合RDC/TMD诊断标准，无性别差异。所有参与者将口腔颌面疼痛评为低慢性疼痛。开口度<40mm表明颞下颌系统疼痛风险较高。在RDC/TMD临床诊断与骨质减少/骨质疏松症之间未发现关联。
骨质减少/骨质疏松症的患病率似乎对TMJ中OA的影像学或临床发现并不重要。
