Peg tooth | definition of peg tooth by Medical dictionary
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A barrel-shaped incisor which, when accompanied by a central notch is a ‘classic’ finding in congenital syphilis. Peg teeth may also be seen in Williams—elfin-facies—syndrome, and in anhidrotic, hipohidrotic, and Robinson types of ectodermal dysplasia
An abnormally shaped tooth of genetic origin. Usually noted as a maxillary lateral incisor with a smaller cone-shaped crown.