From Volume 47, Issue 9, October 2020 | Pages 729-738
Supernumerary teeth can develop in any location of the mandible or maxilla and may have a significant impact on the developing dentition. This paper reviews the prevalence, aetiology and classification of supernumerary teeth. It also describes their clinical characteristics and management options. A case report involving the interdisciplinary management of delayed eruption of central incisors due to the presence of a supernumerary tooth is outlined.
A supernumerary tooth is one that has developed in addition to the normal complement of teeth within the dentition.1,2 Supernumerary teeth can occur in isolation or, less commonly, in association with a number of developmental medical disorders.3
They may be single or multiple, unilateral or bilateral, and can occur in the maxilla and/or mandible.1,2,4 Supernumerary teeth are thought to occur in the maxilla up to 10 times more frequently than the mandible.2 The most common location involving one or two supernumerary teeth only is the premaxilla followed by the mandibular premolar region. The mandibular premolar region, however, appears to be the site in which multiple supernumerary teeth are most frequently located.4
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