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1 临床资料 1.1 病例选择和分组门诊拨牙┬ 8和8┬的病人共673人,男452人,女221人,年龄14～44岁。病人至少应具备以下一项条件:①反复发作冠周炎病史;②拔牙时间30min以上;③术中去除较多骨组织;④口腔卫生差,体质弱或年龄较大。随机分为两组:用药组334人,非用药组339人。术后3～5天,如有疼痛复诊,牙槽窝空虚,有臭味,张口受限等症状即为干槽症。 1.2 配方和用法碘仿粉剂20mg,甲硝唑粉剂20mg,混均后涂于小块明胶海绵上,置于拔牙后处置完的牙窝内。
1 Clinical data 1.1 Case Selection and Grouping Outpatient Dial 牙 8 and 8 ┬ of patients a total of 673 people, 452 males and 221 females, aged 14 to 44 years. Patients should have at least one of the following conditions: ① repeated episodes of coronary inflammation history; ② extraction time more than 30min; ③ surgery to remove more bone tissue; ④ poor oral hygiene, physical weak or older. Randomly divided into two groups: 334 medication group, non-medication group 339 people. Postoperative 3 to 5 days, if any pain referral, alveolar nest emptiness, stink, restricted mouth and other symptoms that dry socket disease. 1.2 Formulas and usage iodoform powder 20mg, metronidazole powder 20mg, mixed and then coated on a small piece of gelatin sponge, placed in the teeth after the extraction of the finished tooth.