PMID: 24351155Dec 20, 2013Paper

Prevalence of mesiodens in orthodontic patients with deciduous and mixed dentition and its association with other dental anomalies

Dental press journal of orthodontics
Tulio Silva LaraTerumi Okada Ozawa

Abstract

To determine the prevalence of mesiodens in deciduous and mixed dentitions and its association with other dental anomalies. Panoramic radiographs of 1,995 orthodontic patients were analyzed retrospectively, obtaining a final sample of 30 patients with mesiodens. The following aspects were analyzed: gender; number of mesiodens; proportion between erupted and non-erupted mesiodens; initial position of the supernumerary tooth; related complications; treatment plan accomplished; and associated dental anomalies. The frequency of dental anomalies in the sample was compared to reference values for the general population using the chi-square test, with a significance level set at 5%. The prevalence of mesiodens was 1.5% more common among males (1.5:1). Most of the mesiodens were non-erupted (75%) and in a vertical position, facing the oral cavity. Extraction of the mesiodens was the most common treatment. The main complications associated with mesiodens were: delayed eruption of permanent incisors (34.28%) and midline diastema (28.57%). From all the dental anomalies analyzed, only the prevalence of maxillary lateral incisor agenesis was higher in comparison to the general population. There was a low prevalence of mesiodens (1.5%) in de...Continue Reading

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