Margaret Richardson
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.
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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.
Key concepts: Premolar, Molar, Extraction (chemistry), Mandibular first molar, Dentistry, Crowding, Orthodontics, Mandibular third molar