Preliminary clinical study on of Physiologic Anchorage Spee”s-wire System in the treatment of skeletal class Ⅰ malocclusion
Objective:To investigate the ef ect of the anchorage control for the treatment of angle class I malocclusion characteristics in using PASS System Methods:30 skeletal class Ⅰ patients ,including 12 patients with Bimaxil ary protrusion malocclusion ,18 patients with severe congestion malocclusion,15 using PASS System and 15 using Roth System .Measure the panoramic radiographs before and after the treatment,Assessment of patients before and after treatment of Anchorage Molar Position Change,Summarizes the characteris-tics of PASS control system of Anchorage Molar correction.Results:Compared with the group of Roth treatment,the Anchorage molar position of the PASS treatmeng group does not change obvi-ously. Conclusion:PASS treatment system can change the ef ective control of Anchorage Molar Position without additional anchorage.
skeletal class Ⅰmalocclusion Physiologic Anchorage Spee”s -wire Systemcontrol of Anchorage
NETL
NSTL
万方数据
维普
