多孔根聚甲基丙烯酸甲酯牙种植体的临床、影像学和组织学评估

Clinical, radiographical, and histological evaluation of porous rooted polymethylmethacrylate dental implants.

作者信息

Peterson L J, Pennel B M, McKinney R V, Klawitter J J, Weinstein A M

出版信息

J Dent Res. 1979 Jan;58(1):489-96. doi: 10.1177/00220345790580010501.

DOI:10.1177/00220345790580010501

Abstract

Forty-three porous rooted polymethylmethacrylate (PMMA) dental implants were inserted into twenty-four dogs. Successful implants were maintained for up to three years. Histological sections with the implants in situ of implants revealed a soft tissue-implant interface similar to natural teeth. Bone and fibrous tissue ingrowth into the pores attached the implant to the bone. Failures were attributed to mechanical weakness of the implant, thin buccal cortical bone, and excessive implant-gingiva interface.

摘要

将43颗多孔根状聚甲基丙烯酸甲酯（PMMA）牙种植体植入24只狗体内。成功植入的种植体维持了长达三年。对植入原位的种植体进行组织学切片检查，发现其软组织与种植体的界面类似于天然牙齿。骨组织和纤维组织长入孔隙中，将种植体与骨相连。种植失败归因于种植体的机械强度不足、颊侧皮质骨薄以及种植体与牙龈界面过大。