نتایج جستجو برای: tooth abnormalities

تعداد نتایج: 184855  

Background: Dental abnormalities are considered important, since they cause aesthetic and functional problems for people. Orthodontic treatment becomes more complicated when craniofacial abnormalities are accompanied with dental abnormalities. Objective: This study aims to compare the frequency and type of dental abnormalities among patients with different skeletal malocclusion classes in nor...

Journal: :iranian endodontic journal 0
rahul kumar

introduction: coronal anatomic variations in permanent maxillary molars are unusual; conversely variations involving the number of root canals or number of roots are more common. methods and materials: this case report presents a successful nonsurgical endodontic therapy of left maxillary first molar with three roots and seven root canals. this unusual morphology was diagnosed using a dental op...

2010
Jack Easley

Equine dental developmental abnormalities can involve tooth number, morphology, or position in the dental arcades. Abnormalities of dental development and eruption occur quite commonly in the horse and result in a wide range of clinical conditions. Some developmental dental abnormalities of a young horse may not cause the animal to exhibit clinical signs of dental disease until it reaches middl...

Journal: :American journal of medical genetics. Part C, Seminars in medical genetics 2013
Ophir D Klein Snehlata Oberoi Ann Huysseune Maria Hovorakova Miroslav Peterka Renata Peterkova

Dental anomalies are common congenital malformations that can occur either as isolated findings or as part of a syndrome. This review focuses on genetic causes of abnormal tooth development and the implications of these abnormalities for clinical care. As an introduction, we describe general insights into the genetics of tooth development obtained from mouse and zebrafish models. This is follow...

Journal: :Oral oncology 2013
Caroline Abadie Bénédicte Lechaix Virginie Gandemer Martine Bonnaure-Mallet

Neuroblastoma, a malignant tumor of the sympathetic nervous system and the most common extracranial solid tumor in childhood, arises from embryonic neural crest cells. Tooth development begins before birth and continues for 12–14 years with the development of the third molar for several years. Abnormal events that occur during odontogenesis give permanent damage. Whereas the impact of multimoda...

2014
Maruthi Devi

Developmental anomalies affecting the teeth are often seen in the oral cavity. Abnormalities in the physiological processes of tooth development lead to these anomolies. Talon cusp or dens evaginatus of anterior tooth is one of the dental anomalies affecting the shape of a tooth, in which an accessory cusp like structure projects from the cingulam area or cementoenamel junction.

Journal: :journal of dentistry, tehran university of medical sciences 0
maryam ghasempour associate professor, department of pediatric dentistry, faculty of dentistry, babol university of medical sciences, babol, iran samane hemmati associate professor, department of pediatric dentistry, faculty of dentistry, babol university of medical sciences, babol, iran samane gharekhani associate professor, department of pediatric dentistry, faculty of dentistry, babol university of medical sciences, babol, iran ehsan mooudi postgraduate student, department of pediatric dentistry, faculty of dentistry, babol university of medical sciences, babol, iran

a case of multiple pulp stones, a supernumerary tooth and a congenitally missed tooth accompanied by several developmental dental anomalies concurrently affect- ing the upper and lower anterior teeth in an iranian healthy girl is reported. devel- opmental tooth abnormalities are usually found in conjunction with certain diseases or conditions. in the present case, although the patient had consa...

2017
Bruno-Torres Bezerra John-Nadson-Andrade Pinho Luiz-Carlos-Ferreira da Silva

Background Tooth abnormalities are most often present in individuals with oral clefts than general population, and lead to a long-term impact on facial anatomy and self-esteem. The purpose of this study was to compare the proportion of dental anomalies between the cleft side and non-cleft side in individuals with non-syndromic unilateral alveolar clefts (AC). Material and Methods Twenty cone ...

داوودی, لاله, ساریخانی خرمی, خلیل, شفیعی‌راد, الهه, صفایی, عطیه, عزالدینی اردکانی, فاطمه,

Introduction: Tooth impaction is a common anomaly. Several local and systemic factors may result in tooth impaction. Among the permanent dentition third molar, maxillary canine, maxillary and mandibular premolar and maxillary central incisors have the most probability of impaction. The aim of this study was to determine the prevalence of impacted teeth in the patients referred to Yazd Dental Sc...

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