نتایج جستجو برای: dental anomaly
تعداد نتایج: 199327 فیلتر نتایج به سال:
Taurodontism is a rare dental anomaly presented with an aberration of teeth that lacks the constriction at the level of the cemento-enamel junction (CEJ). It is characterized by elongated pulp chambers and apical displacement of bifurcation or trifurcation of the roots, forming a rectangular shape. Whilst, it appears most frequently as an isolated anomaly, its association with several syndromes...
BACKGROUND Agenesis of permanent canines is an uncommon condition that affects human teeth. In fact, canine is the most variable positioned tooth, it can be found palatally or facially displaced or ectopically erupted from the dental arch. On the contrary, canine agenesis is a rare finding in Caucasian populations, but it may be relatively more common in Asian groups. This dental anomaly is fir...
Gardner syndrome is a rare, autosomal dominant syndrome. It will follow a positive course with diagnosis and treatment by medical and dental specialists. Orthodontists or general dental physicians can easily diagnose the syndrome through radiological images taken in addition to dental and skeletal findings. The aim of this study was therefore to report two cases of this syndrome and to evaluate...
Practitioners and policy-makers need information about the relative frequency of dental anomalies among children in their region. This study investigated the prevalence of different oral anomalies among schoolchildren in Sana'a city, Yemen. A sample of 1000 private and public schoolchildren aged 4-12 years were examined by the same examiner using disposable tongue blades. The total prevalence o...
A case of a three-year-old Caucasian male with odontodysplasia is presented. Although the etiology of this condition is unknown, this anomaly involves both the mesodermal and ectodermal dental components and results in deficient and abnormal formation of dentin and enamel. The orofacial characteristics and dental findings of the condition are presented in this case report.
INTRODUCTION The fusion of permanent teeth is a development anomaly of dental hard tissue. It may require a hard multidisciplinary approach with orthodontics, endodontics, surgery and prosthetics to solve aesthetic and functional problems. CASE PRESENTATION A 20-year-old Caucasian man presented to our Department to solve a dental anomaly of his upper central incisors. An oral investigation re...
talon cusp is a rare developmental anomaly that occurs most commonly on the lingual side of the incisors. occurrence of the labial talon cusp is rare in the dental literature. till date only seven cases of isolated nonsyndromic labial talon cusps have been reported in the maxillary permanent dentition. however, a few cases of syndromic labial talon cusps and faciolingual talon cusps have been r...
Macrodontia is a rare but cosmetically challenging dental anomaly. The following case report is described of a young girl with macrodontia central incisors who was treated with direct composite veneer and gingival color composite. The aesthetic outcome was satisfactory without unnecessary loss of teeth.
BACKGROUND The formation of dental tissues is a highly delicate and complex phenomenon. Any alteration in this process leads to various dental anomalies which affect the tooth number, size, shape and structure. Supernumerary teeth are one such anomaly which affects the tooth number. Supernumerary teeth can give rise to various complications and pathologies or they may have a familial / syndromi...
"Concomitant hypodontia and hyperdontia" is a very rare dental anomaly of number, having a prevalence rate of 0.002%-3.1%. It describes the simultaneous presence of hypodontia or missing teeth and supernumerary teeth in the same individual. It represents the opposite forces of nature acting simultaneously. Two rare cases of this anomaly involving different jaws and a classification based on the...
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