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作者观察轻型和中型牙周炎229例,年龄26岁～45岁,没有伴发病。对照组是20例牙周组织健康的青壮年。检查血液T 和B 淋巴细胞数,抑制性和辅助性T 细胞数。测定淋巴细胞功能活性,血清免疫球蛋白和循环的免疫复合物(CIC),用链球菌和葡萄球菌抗原作皮内过敏试验和白细胞移动抑制试验。经过长期观察,229例牙周炎分两个临床型,第Ⅰ型114例,主要是龈缘有慢性卡他性炎症,牙周组织营养障碍,牙槽突吸收和龈萎缩,牙周袋不深,病变发展缓慢。据流行病学调查,此型牙周炎占95%～96%。牙周袋内容物22.8%查出链球菌,8.7%查出葡萄球菌,
The authors observed 229 cases of light and medium periodontitis, aged 26 years to 45 years old, not associated with the disease. The control group was 20 healthy young adults with periodontal tissue. Check the blood T and B lymphocyte number, suppressive and helper T cell number. Lymphocyte functional activity, serum immunoglobulins and circulating immune complexes (CICs) were determined, and intradermal hypersensitivity tests and leukocyte migration inhibition tests with streptococcal and staphylococcal antigens. After long-term observation, 229 cases of periodontitis divided into two clinical types, the first type of 114 cases, mainly gingival margin of chronic catarrhal inflammation, periodontal tissue dysfunction, alveolar process of absorption and gingival recession, periodontal pocket is not Deep, slow development of the disease. According to epidemiological survey, this type of periodontitis accounted for 95% to 96%. Periodontal bag contents 22.8% detected Streptococcus, Staphylococcus aureus 8.7% found,