一、前言: 牙周病初期症状很少,等到患者因自觉症状而就诊时,大多数已发展到中期或晚期。对此阶段牙周病的适当治疗方法,均已超出保守疗法的范围而必须采取外科治疗。根据1970年楠正夫氏的文献报告,凡患者有自觉症状而就诊时,50—70%的病例都属于外科治疗的适应症。由此可见外科治疗法在 First, the preface: Early period of periodontal disease symptoms rarely wait until the patient due to symptoms and treatment, most have developed to mid-term or late. Appropriate treatment of periodontal disease in this stage, have been beyond the scope of conservative treatment and must be treated surgically. According to the 1970 Kusunoki's literature report, where patients have symptoms and treatment, 50-70% of cases are indications for surgical treatment. This shows that surgical treatment in