OBJECTIVE The objective of this study was to estimate the incidence of non-syndromic supernumerary premolars, to classify them and to identify the complications related to them. STUDY DESIGN This retrospective cohort study was composed of 8400 panoramic radiographs of patients who presented at our Oral and Maxillofacial Surgery Services from January 1998 to May 2008. The number of supernumera...

The aim of this study was to establish teeth number anomalies in relation to gender, tooth type, location, distribution pattern and the association between frequently missing teeth among a group of dental patients in Turkey. A total of 378 non-syndromic patients (240 females and 138 males) with an age range of 7-45 (x +/- SD = 22.07 +/- 3.6) having evidence of absent or excess teeth were evalua...

Aim: Dental number anomalies are a group of congenital developmental disorders divided into two groups supernumerary and missing teeth. This study was conducted to investigate the prevalence numeric dental using panoramic images in patients referred Hamadan Faculty. Methods: In this cross-sectional study, 2,197 radiographs aged 6-49 years were evaluated. These groups: 1) Supernumerary teeth, in...

the presence of supernumerary teeth is not uncommon in the general population. they occur more frequently in patients with a family history of such teeth but it is rare to find multiple supernumeraries in individuals with no other associated disease or syndrome. there have been very few documented cases of bilateral maxillary and mandibular supernumeraries, distal to the third molars. supernume...

Abstract Introduction: Maxillary canines commonly have an ectopic eruption. This study aimed to assess the factors related to the ectopic maxillary permanent canines. Materials and Methods:This was a descriptive cross-sectional study of 1357 panoramic radiographs from patients 8 to 13 years old. The radiography was excluded if the patient had any developmental disease or if the panoramic im...

Fusion or synodontia is a union of two or more than two developing teeth. Commonly fusion occurs between teeth of the same dentition, mixed dentition, or between normal and supernumerary teeth. Fused primary teeth present with several clinical problems like caries, periodontal problem, arch asymmetry, delayed eruption, ectopic eruption of succedaneous teeth, aesthetic, and other complications. ...

Homem, 22 anos, saudável dirigiu-se ao Médico Dentista para realizar uma consulta de rotina. Na análise da ortopantomografia verificou-se a presença de distomolares maxilares, bilaterais e inclusos. Paciente foi indicado para realizar uma tomografia computorizada de feixe cónico como exame complementar de diagnóstico (Fig.s 1 e 2), para localização e identificação de estruturas dentárias, e pos...