Objective: On the base of animal experiments through the applying of MGTR in clinic to observe the defective and partially atrophy alveolar crest regeneration for dental implants application.

• 目的:在动物实验的基础上,研究临床应用膜诱导组织再生技术治疗牙种植体周围炎,以观察治疗的临床效果。