supernumerary tooth


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Related to supernumerary tooth: supplemental tooth

supernumerary tooth

Etymology: L, super, above, numerus, number; AS, toth
any tooth in addition to the normal 32 teeth in the secondary dentition or the 20 teeth in the primary dentition.
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Supernumerary teeth

su·per·nu·mer·ar·y tooth

(sūpĕr-nūmĕr-ar-ē tūth)
Any tooth in excess of 32; form may be normal or abnormal and may line inside or outside normal line of dental arch.
Synonym(s): supplemental tooth.
References in periodicals archive ?
A supernumerary tooth in the nasal cavity sometimes may be asymptomatic and may be seen accidentally as a dense radiopaque shadow on radiology.
Fusion may occur between two normal teeth or between a normal tooth and a supernumerary tooth.
We cannot hypothesize if in this case the origin of supernumerary tooth is related or not to any kind of atavism, and if it is related to the hypothesis proposed by Johnson (1952) or Peterkova et al.
The supernumerary tooth resembled maxillary central incisor with a mature root and pronounced mamellons and a talon cusp on the palatal surface.
However, USNM 2225 clearly is two teeth, a primary and a supernumerary tooth and the likely result of fusion (synodontia).
It might present diagnostic problems if it is unerupted and resembles a supernumerary tooth or a compound odontome and so result in unnecessary surgical procedures.
Various dental anomalies are common among mammals (Miles and Grigson, 1990; Wolsan, 1984) and with the above specimens, a supernumerary tooth condition is now demonstrated as occurring in all tooth-bearing orders.
Hard tissue examination revealed the absence of the mandibular central incisors bilaterally and presence of a microdont conical shaped supernumerary tooth in the midline [Figure 1].
When classified by po- sition a supernumerary tooth may be referred to as a mesiodens a paramolar or a distomolar.
Supernumerary tooth is one that is additional to the normal series and can be found in almost any region of the dental arch.
It was not completely clear from the pre-operative periapical radiograph if the fused tooth was simply an adjacent supernumerary tooth and surgical exploration was carried out to reach a definitive diagnosis.
A mesioden is a typical conical supernumerary tooth located between the maxillary central incisors; a paramolar is a su- pernumerary molar usually small and rudimentary situated buccally or palatally to one of the maxillary molars or most commonly occurs in the interproximal space buccal to the upper second and third molars; a distomolar is a fourth permanent molar which is usually placed either directly distal or distolingual to the third molar; and a parapremolar most commonly occurs in the interproximal space buccal or palatal to the upper first and second premolars.