Editorial Type:
Article Category: Research Article
 | Online Publication Date: 01 Dec 1989
The effect of mandibular first premolar extraction on third molar space
The effect of mandibular first premolar extraction on third molar space
M Dent SC, DOrth
Page Range: 291 – 294
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.Abstract
Keywords: Premolar extraction; Molar space; Crowding
Copyright: Edward H. Angle Society of Orthodontists
Contributor Notes
Dr. Richardson is an Associate Specialist in Orthodontics at the School of Dentistry in Belfast, Northern Ireland