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硬皮病为一种系统性胶原病。除皮肤外,还可累及胃肠道、心、肺、肾等器官;其特点为胶原增殖,血管壁有炎性改变及球蛋白沉积。硬皮病也可侵犯口腔及其周围组织,常使面部皮肤及舌体变硬,也可使软腭、喉、小唾液腺受累。X线片可见颌骨有改变与牙周膜增宽,文献报导牙周膜增宽可见于10—37％病人,但并不是所有牙增宽,其增宽程度并不一致,后牙大于前牙。颌骨之吸收可发生于喙突、升枝后缘及髁突。作者于17年内调查了21个女病人,年龄27—63岁,13个在50岁以上,病程为3—49年。其中17例(80％)有张口受限(张口度<4cm),20例诊断有牙周病,但只有13个牙
Scleroderma is a systemic collagen disease. In addition to the skin, can also affect the gastrointestinal tract, heart, lung, kidney and other organs; characterized by collagen proliferation, vascular wall inflammatory changes and globin deposition. Scleroderma can also invade the oral cavity and its surrounding tissues, often make facial skin and tongue harden, but also make the soft palate, larynx, small salivary gland involvement. X-ray showed changes in the jaw and periodontal ligament broadening, the periodontal ligament widening seen in the literature can be seen in 10-37% of patients, but not all teeth widened, its widened degree is inconsistent, posterior teeth greater than the anterior teeth . The absorption of the jaw bone can occur in the coracoid process, the posterior limb and the condyle. In 17 years, the authors investigated 21 female patients aged 27-63 years, 13 over 50 years of age and their duration of illness ranging from 3 to 49 years. Among them, 17 cases (80%) had limited mouth opening (mouth opening <4 cm), 20 cases had periodontal disease but only 13 teeth