Objective To investigate the shape and F-actin of human periodontal ligament fibroblasts(HPDLF) under different tension stress in vitro so as to learn the stress-biological effects of HPDLF.

• 目的研究动态张应力对体外培养的人牙周膜成纤维细胞(HPDLF)形态和微丝改变的影响,进一步了解HPDLF的应力生物学效应。