搜索结果: 1-1 共查到“口腔正畸学 Retraction springs”相关记录1条 . 查询时间(0.065 秒)
Holographic Analysis of the Initial Canine Displacement Produced by Four Different Retraction Springs
Holography Initial displacement Stress and strain in periodontal ligament
2010/3/5
Objectives: To estimate and compare the magnitude and direction of initial displacement of the canine produced by four different canine retraction springs.
Materials and Methods: A freshly macerate...