Prevalência de hipodontia em pacientes ortodônticos tratados em Belo Horizonte, Brasil

Abstract

This retrospective study aimed to determine the prevalence, patients and local patients in hypodontia in orthodontic patients at the Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil. This is an anomaly between the anomaly, in the males defined between 2009 and 2018, such as the predilection for gened, the number of list attachments, attention in the maxilla and / or mandible, uni or bilateral manifestations, more susceptible teeth and associated dental anomalies. Patients with ages ranging from 9 to 18 years old included periapical radiographs of all teeth or panoramic, anamnesis, intra-buccal photographs and detailed description of the treatment were included. Syndromic patients were excluded, with more than 6 absences, or absence due to disease, periodontal disease, trauma or withdrawal for any reason. As variables of the study were analyzed descriptively. Predilection for sex was assessed using the chi-square test. A total of 1001 documents were selected, where they found 5% of a general, with predominance in only one jaw, bilateral distribution, higher incidence in the absence of two teeth and high association with other dental anomalies. The most prevalent dental anomaly was the retention of deciduous teeth and the tooth more susceptible to the second lower premolars. The prevalence of hypodontia is different among ethnic groups, with a rate of 5% in the population of Belo Horizonte, with no gender preference. He presented a high association of hypodontia with dental anomalies, being the most studied to evaluate the etiology of these anomalies