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J Clin Exp Dent. 2014 Oct 1;6(4):e414-8. doi: 10.4317/jced.51499. eCollection 2014 Oct.

Prevalence, etiology, diagnosis, treatment and complications of supernumerary teeth.

Author information

1
DDS, MS. Valencia University Medical and Dental School.
2
DDS, MS, MPH, PhD. Public Dental Health Service. Arnau de Vilanova Hospital. Master in Oral Surgery and Medicine. Master in Oral Surgery and Implantology. Collaborating professor of the Master in Oral Surgery and Implantology. Valencia University Medical and Dental School.
3
DDS, MS, PhD. Master in Oral Surgery and Implantology. Collaborating professor of the Master in Oral Surgery and Implantology. Valencia University Medical and Dental School.
4
DDS, PhD, MD. Professor, Director of the Master of Oral Surgery and Implantology. Valencia University Medical and Dental School, Valencia, Spain.

Abstract

The aim of this article was to review the literature on supernumerary teeth, analyzing their prevalence, etiology, diagnosis, treatment and possible complications. An electronic search was made in the Pubmed-Medline database up to January 2014 using the key search terms "multiple supernumerary teeth" (n=279), "prevalence supernumerary teeth" (n=361), and "supernumerary teeth" (n=2412). In addition to the articles initially identified, others were included in the review proceeding from a manual search and from any references considered of relevance. Supernumerary teeth are those that exceed the normal dental formula. They are more common in men, more common in the upper maxilla, and more prevalent in permanent dentition. Complications associated with supernumerary teeth include dental impaction, delayed eruption, ectopic eruption, overcrowding, spacing anomalies and the formation of follicular cysts. The treatment of supernumerary teeth depends on their type, position, and possible complications, detected clinically and radiographically. No clear consensus exists as to the best time to extract unerupted supernumerary teeth. Key words:Hyperdoncia, supernumerary teeth, impacted teeth, treatment, permanent teeth, deciduous teeth.

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