英语语法分析

Methods: 48 failure implants was observed of 482 endosteal dental implants in 422 cases during 1993.7 to 2001.6.

方法：1993年7月至2001年6月共完成种植义齿422例， 植入种植体482颗，其中有48颗种植体失败脱落。

Objective: To provide endosteal parameters of the proximal humerus for designing of humeral prosthesis stem fitting Chinese.

目的：为设计适合国人的肱骨头假体柄提供相关髓腔参数。

Objective: to investigate the influence of load location to the strains at the tissue around endosteal implant for posterior single tooth replacement.

目的：探讨不同载荷条件对后牙单种植体周围组织的力学影响。