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Influence of First Premolar Extraction on Mandibular Third Molar Angulation
Premolar extractions Third molar angulations
2010/3/9
Objective: To compare the angular changes in the developing mandibular third molars in both first premolar extraction and nonextraction cases and to determine whether premolar extraction results in a ...
The effect of mandibular first premolar extraction on third molar space
Premolar extraction Molar space Crowding
2009/1/23
Change in molar space is compared in 48 mandibular first premolar extraction cases and 46 non-extraction cases over a five year period. Significantly greater increase in molar space is found in extr...
Early versus late treatment of crowded first premolar extraction cases：Postretention evaluation of stability and relapse
Postretention Relapse Stability Early orthodontic treatment Late orthodontic treatment
2009/1/7
The purpose of this study was to evaluate the differences in the long-term stability of orthodontically induced changes in arch form between patients who receive early orthodontic treatment (Hellm...