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患者黄××,男,52岁,近半月来感觉右侧上颌后大牙遇冷热刺激敏感,有时疼痛而就诊。检查:全口牙轻度磨损;口腔卫生欠佳,6咬面2~0龋,探(±),叩(±),热冷试法(+),颊侧牙龈萎缩,无牙周袋;腭侧正常,牙不松动。临床诊断:6龋合并根尖炎。治疗经过:行右上颌翼腭管麻醉下开放髓腔。见髓腔被一淡黄色物充塞,质硬如石;用探针拔动时,有轻度移动,但由于与髓腔壁无多大间隙,不易取出,后扩大髓腔边缘,将之取出。取出时腭侧根髓也随之拔出,其根髓上2/3与冠部黄色物同样坚硬,根尖1/3稍有弹性,颊侧根髓与冠部硬物已分离。
Patient Huang × ×, male, 52 years old, nearly half a month to feel the right maxillary big teeth after hot and cold stimulation sensitive, and sometimes pain and treatment. Examination: Mild oral wear; poor oral hygiene; 2 to 0 caries, 6 (±), ±, hot and cold test (+), buccal gingival recession, Normal palatal, teeth are not loose. Clinical diagnosis: 6 caries with apical inflammation. After treatment: the right maxillary wing palatal anesthesia open pulp cavity. See the marrow cavity stuffed with a pale yellow, hard as stone; with the probe pull, there is a slight movement, but because of the gap with the medullary cavity wall is not easy to remove, expand the edge of the medulla, remove it. Remove the palatal medullary root also will be pulled out, the root of the medulla 2/3 with the same yellow hard crown, apical 1/3 of a little flexible, the buccal root pulp and the crown of the hard object has been separated.