8Ashman A. Postextraction ridge preservation using a synthetic alloplast[J]. Implant Dent, 2000, 9(2):168-176.
9Allegrini S Jr, Koening B Jr, Allegrini MR, et al. Alveolar ridge sockets preservation with bone grafting-review[J]. Ann Acad Med Stetin, 2008, 54(1):70-81.
10Blakey GH, Marciani RD, Haug RH. Periodontal pathology associated with asymptomatic third molars [J]. J Oral Maxillofac Surg, 2002, 60(11):1227-1233.
