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采用单向免疫扩散法及琼脂平板打孔法分别测定了５２例成人牙周炎患者治疗前后唾液ｓＩｇＡ、ＩｇＧ及溶菌酶水平．观察其中３６例中、重度牙周炎非手术治疗和手术治疗术后３月的牙周指数以及远期疗效．结果表明：牙周炎患者治疗前ｓＩｇＡ低于、而ＩｇＧ和溶菌酶高于正常对照组；治疗后１月ｓＩｇＡ、ＩｇＧ与正常组已无差异，溶菌酶反低于正常组．手术治疗降低牙周指数大于非手术治疗．结果提示：ＩｇＧ水平与成人牙周炎牙周指数呈正相关．
The levels of salivary sIgA, IgG and lysozyme in 52 adult patients with periodontitis were measured by one-way immunodiffusion and agar plate drilling. To observe 36 cases of moderate and severe periodontitis non-surgical treatment and surgical treatment of 3 months after the periodontal index and long-term efficacy. The results showed that the sIgA of patients with periodontitis was lower than that of the normal control group, while the levels of IgG and lysozyme were higher than those of the normal control group. There was no difference between sIgA and IgG and the normal group after 1 month of treatment. Surgical treatment of lower periodontal index than non-surgical treatment. The results suggest that there is a positive correlation between IgG level and periodontal index of adult periodontitis.