Zhang Hai gang,Hu Nan,Xu Xue liang (1.Partment of Dentistry,the First People Hospital of Shangyu City,Zhejiang Province,Shangyu 312300,China; 2.Dept of Preventive Dental Hospital Jiangxi Medical College,Nanchang 330006 China)
Abstract：Objective:To explore the status of periodontal attachment in healthy adults and to provide with data for an intensive study of periodontal diseases. Methods: The levels of periodontal attachment in 800 healthy adults were examined. Results: The average va
2001, Vol. 2 