Results 41 to 50 of about 31,062 (163)

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
doaj   +1 more source

Supragingival Microbial Profiles of Permanent and Deciduous Teeth in Children with Mixed Dentition. [PDF]

open access: yesPLoS ONE, 2016
The present study was designed to investigate the microbial profiles of teeth in different locations in mixed-dentition-stage children, and to compare the microbiomes of permanent and deciduous teeth in the same healthy oral cavity.Supragingival plaque ...
Weihua Shi, Man Qin, Feng Chen, Bin Xia
doaj   +1 more source

An evaluation of mesiodentes: A retrospective study with cone-beam computed tomography [PDF]

open access: yes, 2018
Background: The mesiodens, located in the palatal midline between the two maxillary central incisors, is the most common type of supernumerary tooth. The aim of this study was to evaluate the distribution of mesiodentes according to shape, position, and ...
Akay, Gülsün   +2 more
core   +2 more sources

Bilateral Symmetrical Fusion of Permanent Mandibular Lateral Incisors and Canines: A Rare Clinical Case

open access: yesClinical Case Reports
Fusion is a rare developmental anomaly characterized by the union of two adjacent tooth germs during the morphodifferentiation stage of tooth formation, resulting in a single enlarged tooth.
Suresh Kandagal Veerabhadrappa   +5 more
doaj   +1 more source

Supernumerary Teeth in Primary Dentition and Early Intervention: A Series of Case Reports

open access: yesCase Reports in Dentistry, 2012
Supernumerary teeth are considered as one of the most significant dental anomalies during the primary and early mixed dentition stages. They are of great concern to the dentists and parents because of the eruption, occlusal, and esthetic problems they ...
Rakesh N. Bahadure   +4 more
doaj   +1 more source

3D evaluation of maxillary morphology in Marfan growing subjects: a controlled clinical study

open access: yesProgress in Orthodontics, 2019
Background Marfan syndrome is a rare autosomal dominant inherited disease of the connective tissue associated with various craniofacial abnormalities.
Giuseppina Laganà   +4 more
doaj   +1 more source

Evaluation of the esthetic properties of developmental defects of enamel: a spectrophotometric clinical study [PDF]

open access: yes, 2015
Objectives. Detailed clinical quantification of optical properties of developmental defect of enamel is possible with spectropho- tometric evaluation. Developmental defects of enamel (DDE) are daily encountered in clinical practice. DDE are an alteration
Corridore, Denise   +5 more
core   +4 more sources

Numerical abnormalities of permanent dentition - a case report

open access: yesMedicine and Pharmacy Reports, 2021
Tooth number abnormalities may occur under the influence of genetic or environmental factors which intervene in the tooth formation stages (induction and proliferation), most commonly the permanent dentition being affected. The result is the appearance of dental anomalies with numerical deficiency (hypodontia, anodontia), or with dental excess ...
Decusara, Mioara   +3 more
openaire   +2 more sources

Carnivora from the Sespe of the Las Posas Hills, California [PDF]

open access: yes, 1933
The generic assemblage of carnivores known at present from the Kew Quarry of the Las Posas Hills, Ventura County, California, is perhaps most noteworthy because of its resemblance to that recorded from the John Day.
Stock, Chester
core  

Cold stress in captive great apes recorded in incremental lines of dental cementum [PDF]

open access: yes, 2002
Incremental lines in dental cementum of museum specimens of 11 free-ranging great apes were compared to the respective structures in 5 captive specimens of known age-at-death, and with many known life-history parameters.
Cipriano, Alessandra
core   +1 more source

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