Results 61 to 70 of about 62,804 (259)

Incisor liability and its effects among East Asian children

open access: yes, 2021
BACKGROUND/PURPOSE: Incisor liability is the discrepancy in the sum of the mesiodistal crown width between the primary and permanent incisors. Incisor liability affects the integrity and eruption of the permanent incisors during the transition from the ...
Huang, Yu-Hsuan   +5 more
core   +1 more source

Evolutionary radiation of large‐bodied gorgonopsians from the lower Abrahamskraal formation of South Africa

open access: yesThe Anatomical Record, EarlyView.
Abstract The middle Permian represents a critical interval in therapsid evolution, when gorgonopsians emerged as some of the first specialized apex predators within terrestrial ecosystems. Despite their significance, the early diversification of Gorgonopsia in Gondwana remains poorly understood due to scarcity and fragmentary material.
Zanildo Macungo   +5 more
wiley   +1 more source

Percepção social e autopercepção de crianças de 4 e 5 anos em relação a alterações estéticas no incisivo central decíduo [PDF]

open access: yes, 2011
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Saúde. Programa de Pós-Graduação em OdontologiaO objetivo deste estudo foi verificar a percepção social de crianças em relação à indivíduos da mesma idade que ...
Soares, Fernanda Cunha
core  

Early stages of tooth development in the harbor porpoise Phocoena phocoena

open access: yesThe Anatomical Record, EarlyView.
Abstract Here we describe the stages of tooth development in toothed whales on the basis of the harbor porpoise (Phocoena phocoena). The aim of the study was to find out whether these stages are identical to those of other mammals analyzed so far although toothed whales are homodont and monophyodont.
Lasse M. Mathes   +2 more
wiley   +1 more source

Dental anomalies in Pleistocene African hippopotamuses from Olduvai Bed II

open access: yesThe Anatomical Record, EarlyView.
Abstract Hippopotamuses are key palaeoenvironmental indicators in African Pleistocene ecosystems due to their ecological dependence on permanent water bodies and their frequent representation in the fossil record. This study examines dental anomalies in Hippopotamus cf. gorgops from several localities in Bed II of Olduvai Gorge (Tanzania), dated to ca.
Darío Fidalgo   +4 more
wiley   +1 more source

Location of the upper replacement incisor and the ex situ lower? incisor of BP/1/4009.

open access: yes, 2017
A, transparent skull in lateral view showing the labial face of the left hand side; B, teeth and transparent skull in ventral view; C, teeth and transparent skull in rostral view.
Luke A. Norton (3740155)   +3 more
core   +1 more source

Orthodontic management of faciolingual horizontally impacted maxillary central incisor

open access: yesJournal of Indian Society of Pedodontics and Preventive Dentistry, 2009
This paper describes the successful alignment of a horizontally impacted maxillary central incisor positioned high in the vestibule, in a 15-year-old girl, by purely orthodontic means.
Chawla H, Kapur A
doaj  

A Variant of the Current Dens Invaginatus Classification

open access: yesFrontiers in Dentistry, 2020
Endodontic treatment of maxillary incisors may be considered straight forward. However, in some instances, they may exhibit aberrant morphology. One of these rare variations in tooth morphology is dens invaginatus.
Meisha Gul, Samira Adnan, Fahad Umer
doaj  

Morphology of Maxillary Frenum and Correlation to Diastema in Children with Primary, Mixed, and Permanent Dentition [PDF]

open access: yesJournal of South Asian Association of Pediatric Dentistry
Context: The labial frenum is subject to change with growing age and physical development. It is thought to be a contributing factor to maxillary diastema.
Anshula N Deshpande   +5 more
doaj   +1 more source

Tooth autotransplantation following extraction of periodontally hopeless teeth in a periodontitis patient

open access: yesClinical Advances in Periodontics, EarlyView.
Abstract Background The aim of the study is to report clinical outcomes of autogenous tooth transplantation (ATT) of fully developed third molars following the extraction of periodontally hopeless teeth as a part of the treatment of a stage III, grade C, molar‐incisor pattern (MIP) periodontitis case.
Alessandro Rizzi   +3 more
wiley   +1 more source

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