November
December 2008
tooth abnormalities may be categorized according to whether they have environmental or developmental causes.
while environmental abnormalities may appear to have an obvious cause,there may not appear to be any known cause for some developmentalabnormalities.
environmental forces may affect teeth during development, destroy toothstructure after development, discolor teeth at any stage ofdevelopment, or alter the course of tooth eruption.
developmental abnormalities most commonly affect the number, size, shape, and structure of teeth.
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