نتایج جستجو برای: tooth agenesis
تعداد نتایج: 94093 فیلتر نتایج به سال:
Objective: To determine the dental anomalies in children with cleft lip and palate at a tertiary care hospital. Design of Study: descriptive cross-sectional. Study Settings: was conducted OPD Dentistry Abbottabad International Medical Institute between months January 2021to June 2021. Material Methods: The convenience sampling strategy used to obtain 208 radiographs patients and/or for Data A. ...
Xuechao Duan 1,2,*, Jianwei Mi 1 and Ze Zhao 1 1 Key Laboratory of Electronic Equipment Structure Design, Ministry of Education of China, Xidian University, Xi’an 710071, China; [email protected] (J.M.); [email protected] (Z.Z.) 2 Collaborative Innovation Center of Information Sensing and Understanding, Xidian University, Xi’an 710071, China * Correspondence: [email protected]; Tel.: +86-29-8...
Joubert syndrome (OMIM 213 300) is a rare autosomal recessive disorder, whose locus is on chromosome 9q; it is characterized by ataxia, psychomotor retardation, ocular and respiratory abnormalities related to dysgenesis of cerebellar vermis and mesencephalon. It is currently included in the malformation spectrum of cerebello-oculorenal syndromes (CORS)1. An image known as a “molar tooth sign” i...
Congenitally missing teeth is a common feature for the third molars. However, missing teeth, macrodontia and radiculomegaly occurring in a single patient is very rare. This article describes a case of agenesis of mandibular second premolars, radiculomegaly with dilacerations of a canine tooth together with elongated roots of other canines. All these features had been discerned through diagnosti...
The prevalence of dental anomalies including agenesis, crown shape, tooth position, root shape, and invagination were examined in 111 orthodontic patients; 74.77 per cent of the patients exhibited at least one dental anomaly. Invagination was found to be the most prevalent anomaly, whereas supernumerary teeth and root dilaceration were the least frequent anomalies. Dental invagination and short...
INTRODUCTION Hypodontia, agenesis of one or of more teeth, is a common developmental dental anomaly. To date, over 200 candidate genes have been demonstrated to be active in tooth development. The genes Pax9 plays an important role in the initial stage of odontogenesis. Mutations of Pax9 are associated with autosomal dominant forms of oligodontia, the agenesis of more than six teeth and occasio...
Transposition is a dental anomaly characterized by the exchange of position between two adjacent teeth, especially in relation to their roots, or development and eruption of a tooth in a position normally occupied by a nonadjacent tooth. Transposition of the maxillary canine and first premolar has a low prevalence in the population and it primarily affects maxillary canines and premolars. The a...
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