Results 61 to 70 of about 299,577 (347)

Concrescent triplets involving primary anterior teeth

open access: yesContemporary Clinical Dentistry, 2013
Odontogenesis is a complex process wherein more than 200 genes are known to play a significant role in tooth development. An imbalance can lead to an abnormality in the number, size, shape or structure of the developing tooth/teeth.
Urvashi Sharma   +2 more
doaj   +1 more source

Supernumerary Teeth – Literature Review

open access: yesJournal of Pre-Clinical and Clinical Research, 2020
Introduction and objective Hyperdontia is a developmental anomaly characterised by an increased number of dental buds. It is condition with a prevalence of 0.3 -1.8% in primary dentition and 1.5–3.9% in permanent dentition.
Kamil Tworkowski   +3 more
doaj   +1 more source

Fusion of Unerupted Mesiodens with a Regular Maxillary Central Incisor: a Diagnostic and Therapeutic Challenge

open access: yesActa Stomatologica Croatica, 2021
The mesiodens is the most frequent type of supernumerary tooth which can appear in the maxillary midline area. The etiology of mesiodentes is not fully understood.
Zdenko Šarac   +4 more
doaj   +1 more source

Investigation of tooth transposition in a non-syndromic Turkish anatolian population : characteristic features and associated dental anomalies [PDF]

open access: yes, 2010
Objective: The aims of this study were to investigate the frequency and characteristics of dental transpositions and to evaluate associated dental anomalies in a large sample of Turkish Anatolian population.
Celikoglu, Mevlut   +2 more
core   +1 more source

Palatal Supernumerary Tooth in a Pediatric Patient

open access: yesCureus, 2023
This report describes the case of a child with a congenital palatal lesion that grew rapidly in the first year of life and was found to be a supernumerary tooth. A 14-month-old male presented with a congenital midline palatal lesion visible behind his newly erupted maxillary central incisors.
Nanu, Douglas P   +5 more
openaire   +2 more sources

Discovery of sexual dimorphism of the laryngeal sac in the common minke whale Balaenoptera acutorostrata

open access: yesThe Anatomical Record, EarlyView.
Abstract Mysticetes, or baleen whales, have an air sac on the ventral surface of the larynx known as the “laryngeal sac.” The primary hypothesis regarding this structure's function is that it is involved in sound production. However, several other functions have been proposed, including air recycling, air storage, and even buoyancy control.
Gen Nakamura   +7 more
wiley   +1 more source

Clinical management of a fused upper premolar with supernumerary tooth: a case report

open access: yesRestorative Dentistry & Endodontics, 2014
n dentistry, the term 'fusion' is used to describe a developmental disorder of dental hard tissues. In the permanent dentition, fusion of a normal tooth and a supernumerary tooth usually involves the incisors or canines.
Kyu-Min Cho   +2 more
doaj   +1 more source

Supplemental Mandibular Mesiodens: A Diagnostic Challenge [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2013
Developmental anomalies affecting the number of teeth are occasionally encountered clinically. The incidence of supernumerary teeth is approximately 1–3%.
Manjunath Naganahalli   +2 more
doaj   +1 more source

Third Dentition Is the Main Cause of Premolar Supernumerary Tooth Formation

open access: yesJournal of dentistry research, 2019
While the prevalence of supernumerary teeth (ST) is high in permanent dentition, the etiology of ST in humans remains unclear. However, multiple murine models of ST have elaborated on dated mechanisms traditionally ascribed to ST etiology: one involves ...
H. Kiso   +13 more
semanticscholar   +1 more source

Tooth number abnormality: from bench to bedside

open access: yesInternational Journal of Oral Science, 2023
Tooth number abnormality is one of the most common dental developmental diseases, which includes both tooth agenesis and supernumerary teeth. Tooth development is regulated by numerous developmental signals, such as the well-known Wnt, BMP, FGF, Shh and ...
Han Zhang   +4 more
semanticscholar   +1 more source

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