Objective:To evaluate the effect ot flat bite plate(FBP) on the root resorption of mandibular incisors during orthodontic treatment.

• 目的:探讨平面导板配合直丝弓矫治对牙根吸收的影响。方法:随机选择66例经过直丝弓矫治的成年非拔牙患者,其中33例配合使用平面导板治疗。