J Korean Assoc Oral Maxillofac Surg.  2015 Aug;41(4):190-193. 10.5125/jkaoms.2015.41.4.190.

A comparative analysis of patients with mesiodenses: a clinical and radiological study

Affiliations
  • 1Department of Oral and Maxillofacial Surgery, School of Dentistry, Chosun University, Gwangju, Korea. sgckim@chosun.ac.kr
  • 2Department of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, Seongnam, Korea.
  • 3Department of Pediatric Dentistry, School of Dentistry, Chosun University, Gwangju, Korea.

Abstract


OBJECTIVES
A mesiodens appears most commonly as a supernumerary tooth impacted in the anterior maxilla. The purpose of this study is analyze mesiodens clinically.
MATERIALS AND METHODS
Gender, crown form, direction of impaction, relation to permanent incisors, and chief complaints of patients with extracted mesiodens were analyzed.
RESULTS
Patients were analyzed for motivation to visit the hospital; 85.4% of the patients were referred from other hospitals. Mesiodens was more common in males than in females (3.7:1), and 70.1% of patients had only one mesiodens, while 29.6% had two mesiodenses. Of the mesiodenses, 61.4% were of the aconical form, and the most common direction was upward (62.4%), followed by the normal position (26.0%) and the horizontal position (11.6%). The mesiodenses caused orthodontic problems with the permanent incisors in 46.3% of cases. Mesiodens associated with dentigerous cyst was rarely observed in our patient group.
CONCLUSION
Mesiodens is more common in males than in females and often affects the permanent incisors. Thus, careful clinical and radiological evaluations of mesiodenses are important.

Keyword

Supernumerary tooth; Tooth abnormalities

MeSH Terms

Crowns
Dentigerous Cyst
Female
Humans
Incisor
Male
Maxilla
Motivation
Tooth Abnormalities
Tooth, Supernumerary

Figure

  • Fig. 1 A mesiodens found in an oral panoramic X-ray.

  • Fig. 2 An impacted conical-shaped mesiodens.

  • Fig. 3 Two horizontally impacted mesiodenses.

  • Fig. 4 A mesiodens impacted on the palatal side of the central incisor.

  • Fig. 5 A mesiodens impacted in the opposite direction.


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