Results 31 to 40 of about 174,196 (336)

AN INVESTIGATION OF TOOTH LOSS IN GERIATRIC PATIENTS: A CROSS-SECTIONAL STUDY

open access: yesRevista Naval de Odontologia On Line, 2019
In order to provide a profile of the elderly people assisted by the Naval Dental Center (Odontoclínica Central da Marinha), it was performed an epidemiological survey seeking to outline the oral conditions and reported changes in eating habits in this ...
Graziela Pardini   +2 more
doaj   +1 more source

A Deep Learning Approach to Automatic Tooth Caries Segmentation in Panoramic Radiographs of Children in Primary Dentition, Mixed Dentition, and Permanent Dentition

open access: yesChildren
Objectives: The purpose of this study was to evaluate the effectiveness of dental caries segmentation on the panoramic radiographs taken from children in primary dentition, mixed dentition, and permanent dentition with Artificial Intelligence (AI) models
Esra Asci   +6 more
semanticscholar   +1 more source

On a dynamic reaction-diffusion mechanism: The spatial patterning of teeth primordia in the alligator [PDF]

open access: yes, 1996
It is now well established both theoretically and, more recently, experimentally, that steady-state spatial chemical concentration patterns can be formed by a number of specific reaction–diffusion systems.
Kulesa, P. M., Murray, J. D.
core   +1 more source

PHYLOGENETIC SIGNATURES IN THE JUVENILE SKULLS AND CHEEK TEETH OF PLEISTOCENE PROBOSCIDIPPARION SINENSE, CHINA

open access: yesRivista Italiana di Paleontologia e Stratigrafia, 2015
We describe and compare three partial skulls of Chinese juvenile Proboscidipparion sinense from the Nihewanian of China. Study of the facial morphology, especially the nasal aperture, as well as cheek tooth morphology and metric data, including length ...
RAYMOND L. BERNOR   +2 more
doaj   +1 more source

Edentulism, Severe Tooth Loss and Lack of Functional Dentition in Elders: A Study in Southern Brazil.

open access: yesBrazilian Dental Journal, 2016
The aim of this study was to estimate self-reported prevalence of edentulism, severe tooth loss and lack of functional dentition in elders, and to identify potential associated factors.
C. G. Ribeiro   +5 more
semanticscholar   +1 more source

Analysis of Deciduous and Permanent Teeth of Children from Brno of 1-15 years of Age with the Focus on Frequency of Dental Caries and Teeth Eruption

open access: yesČeská Stomatologie a Praktické Zubní Lékařství, 2012
Introduction: Dental caries experience is a very common disease, which needs to be prevented even at children's age. Aim: The aim of the retrospective, epidemiological, sectional study is to conduct a survey on teeth eruption and dental caries experience
J. Huták
doaj   +1 more source

Robust age estimation of southern sea otters from multiple morphometrics

open access: yesEcology and Evolution, 2020
Reliable age estimation is an essential tool to assess the status of wildlife populations and inform successful management. Aging methods, however, are often limited by too few data, skewed demographic representation, and by single or uncertain ...
Teri E. Nicholson   +8 more
doaj   +1 more source

Sequelae in permanent dentition after trauma in primary dentition in patients assi-sted at Hospital Base Valdivia, Chile

open access: yesJournal of Oral Research, 2022
Aim: To determine the type and frequency of sequelae in permanent teeth as a result of traumatic dental injuries in primary teeth in pediatric patients attended to at the Hospital Base Valdivia, between 2007 and 2012. Material and Methods: A descriptive
María Hernández-Carrera   +3 more
doaj   +1 more source

Changes in mandibular incisor position and arch form resulting from Invisalign correction of the crowded dentition treated nonextraction.

open access: yesAngle Orthodontist, 2016
OBJECTIVE To investigate changes in mandibular incisor position resulting from Invisalign correction of the crowded dentition without extraction. MATERIALS AND METHODS A retrospective chart review was completed on 61 adult White patients. Patients were
Laura O Duncan   +4 more
semanticscholar   +1 more source

Hybodont sharks of the English Bathonian and Callovian (Middle Jurassic). [PDF]

open access: yes, 2008
Recent bulk sampling and study of museum collections has revealed a high diversity of hybodont sharks from the English Bathonian, with 15 species being recognised.
AGASSIZ   +76 more
core   +1 more source

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