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The effect of mandibular first premolar extraction on third molar space
1Orthodontic Department, School of Dentistry, Royal Victoria Hospital, Belfast, Northern Ireland.
The Angle Orthodontist
|January 1, 1989
Abstract:
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 extraction cases. It is, to some extent, related to the initial degree of crowding.