本文就口腔科门诊病人17岁～30岁的男女患者20例牙龈炎病人进行了口腔卫生的宣传和早期预防性治疗，并作调查分析。1对象和方法病例为我院口腔科门诊病人，患有牙龈炎牙周炎等。年龄17～30岁之间的男女患者共对人。病员就诊主诉牙龈出血，目臭，个别牙松动等，检查发现患者口腔 In this paper, oral hygiene outreach and early prophylactic treatment of 20 cases of gingivitis in male and female patients aged from 17 to 30 in the outpatient department of dentistry were investigated and analyzed. 1 objects and methods of cases for our hospital outpatient dentistry, suffering from periodontitis and other gingivitis. Male and female patients between the ages of 17 to 30 years were altogether. The patient complained of bleeding gums, smelly teeth, loose individual teeth, check the patient's mouth