نتایج جستجو برای: teeth morphology

تعداد نتایج: 180826  

Journal: :BMJ case reports 2015
Seema Dinesh Bargale Shital Kiran Vinay Mulchandani Swara Shah

To cite: Bargale SD, Kiran S, Mulchandani V, et al. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2015210663 DESCRIPTION Supernumerary teeth are additional teeth present in dentition and are more common in permanent dentition, however, they are a rare finding in primary dentition and can be due to various genetic or environmental factors. The majority of supernu...

Journal: :Brazilian dental journal 2002
Luciane R R S Costa Ii-Sei Watanabe Márcia C Kronka Marcelo C P Silva

The dentin structure of non-erupted human deciduous mandibular and maxillary central and lateral incisor teeth was studied employing light and scanning electron microscopy. For light microscopy, nitric-acid-demineralized and ground sections were used. The sections were stained by hematoxylin-eosin, picrosirius and azo-carmine methods, and ground specimens were prepared using a carborundum disk ...

2007
Ana Carolina Magalhães Juliano Pelim Pessan Robson Frederico Cunha Alberto Carlos Botazzo Delbem

Regional odontodysplasia (RO) is a rare developmental anomaly involving both mesodermal and ectodermal dental components in a group of contiguous teeth. It affects the primary and permanent dentitions in the maxilla and mandible or both jaws. Generally it is localized in only one arch. The etiology of this dental anomaly is uncertain. Clinically, affected teeth have an abnormal morphology, are ...

Journal: :The Journal of forensic odonto-stomatology 2009
H Zondag V M Phillips

The methods used for disaster victim identification is comparative postmortem profiling of dental and fingerprint data. Twelve dental concordant features are normally required for dental identification. The radiographic image of dental amalgam restorations has been shown to be highly significant for identification purposes. The aim of this study was to investigate the radiological morphology of...

2013
Rakesh K Yadav

Introduction: The main goal of root canal treatment is to prevent or heal formation of apical periodontitis. Complexity of root canal anatomy presents clinical challenges related to treatment outcome. The aim of this study was to investigate the morphology of the root canal system of mandibular 2 nd premolar in north Indian subpopulation using periapical radiographs and CT Dentascan. No such st...

2015
Milcho Todorov

The ultra-structure of the shell and the morphometric variability of soil inhabiting testate amoeba Lamtopyxiscallistoma from Madagascar were studied by using light- and scanning electron microscopy. The biometrical characteristic of the species was made on the basis of 75 specimens measured. In addition to the diameter of the shell, six other shell characters were described biometrically for t...

2015
Gregory M. Erickson Mark A. Sidebottom David I. Kay Kevin T. Turner Nathan Ip Mark A. Norell W. Gregory Sawyer Brandon A. Krick

Herbivorous reptiles rarely evolve occluding dentitions that allow for the mastication (chewing) of plant matter. Conversely, most herbivorous mammals have occluding teeth with complex tissue architectures that self-wear to complex morphologies for orally processing plants. Dinosaurs stand out among reptiles in that several lineages acquired the capacity to masticate. In particular, the horned ...

2017
Gaurav Ravishankar Verma Chetan Bhadage Ajay R. Bhoosreddy Priyanka R. Vedpathak Gayatri P. Mehrotra Ashwini C. Nerkar Akanksha Bhandari Shweta Chaubey

BACKGROUND The aim of the study was to determine the root canal morphology of permanent mandibular incisor teeth in the Indian subpopulation with the use of cone beam computed tomography (CBCT). MATERIAL/METHODS CBCT images of 200 patients with 800 permanent mandibular incisors, fulfilling necessary inclusion criteria and aged 18 to 60 years were evaluated. The number of roots, number of root...

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