Results 21 to 30 of about 1,815,286 (361)

Multiple Over-retained Deciduous Teeth: A Rare Case Report [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2023
Over-retained deciduous teeth, characterised by the persistence of primary teeth beyond their expected exfoliation time, present a unique challenge in dental practice.
Nishu Agarwal, Pallavi Daigavane
doaj   +1 more source

Segmented mechanics for traction of impacted maxillary canine: case report with a 3-year follow-up

open access: yesBioscience Journal, 2019
Young patients are increasingly concerned with smile aesthetics, resulting in the early visit to the dental office. It is of great importance that professionals such as orthodontists, pediatric dentists, and general practitioners are aware of the ...
Anderson Paulo Barbosa Lima   +5 more
doaj   +3 more sources

Tooth Separations and Abnormal Noise on Power-Transmission Gears

open access: bronzeBulletin of JSME, 1967
Some theoretical analyses and experimental investigations are performed to give a solution to the separation of tooth meshing, which is accompanied with alarming noise or occasionally abnormal noise. Tooth separation occurs at the specific speed defined by the amount of transmission error and tangential load.
Kantaro NAKAMURA
openalex   +4 more sources

Supernumerary Maxillary Canine along with Transposition: A Case Report [PDF]

open access: yesMajallah-i Dānishgāh-i ’Ulūm-i Pizishkī-i Shahīd Ṣadūqī Yazd, 2023
Introduction: Tooth transposition is considered as the anomaly of tooth position in two adjacent teeth; the most frequent locations include canine and first maxillary premolar.
Farida Ghazanfari Moghaddam   +2 more
doaj  

A fully automatic AI system for tooth and alveolar bone segmentation from cone-beam CT images

open access: yesNature Communications, 2022
Accurate delineation of individual teeth and alveolar bones from dental cone-beam CT (CBCT) images is an essential step in digital dentistry for precision dental healthcare.
Zhiming Cui   +15 more
semanticscholar   +1 more source

Downregulation of FGF Signaling by Spry4 Overexpression Leads to Shape Impairment, Enamel Irregularities, and Delayed Signaling Center Formation in the Mouse Molar. [PDF]

open access: yes, 2019
FGF signaling plays a critical role in tooth development, and mutations in modulators of this pathway produce a number of striking phenotypes. However, many aspects of the role of the FGF pathway in regulating the morphological features and the mineral ...
Ahn, Youngwook   +8 more
core   +1 more source

The tooth eruption and its abnormalities - A narrative review

open access: yesSRM Journal of Research in Dental Sciences, 2022
Background: The process of tooth eruption is influenced by local, systemic, and genetic factors. Any disturbances in these factors might lead to abnormalities in the eruption of the tooth. Aim: The aim of this narrative review is to classify and discuss the eruption and its ...
K V Sai Charan   +6 more
openaire   +2 more sources

[Dens invaginatus tooth abnormality].

open access: yesSwiss dental journal, 2016
Dens invaginatus (dens in dente) is a dental anomaly caused by an invagination of the tooth surface during tooth development.
Herrmann Stich   +2 more
openaire   +3 more sources

Abnormality in the Morphogenesis of Tooth Development and Relationship with Orthodontic Deformities and Treatment Approaches [PDF]

open access: yesCase Reports in Dentistry, 2021
In the process of odontogenesis, a disturbance in the formation of the epithelium and mesenchyme can be observed and this can be manifested by atypical forms of dental development. Such biological phenomena with altered morphology are as follows: dens invaginatus (DI), dens evaginatus (DE), talon cusps, and double teeth (DT) or connate teeth (fusion ...
Greta Roussanova Yordanova-Kostova   +2 more
openaire   +3 more sources

Mitochondrial dynamics–fusion, fission, movement, and mitophagy–in neurodegenerative diseases [PDF]

open access: yes, 2009
Neurons are metabolically active cells with high energy demands at locations distant from the cell body. As a result, these cells are particularly dependent on mitochondrial function, as reflected by the observation that diseases of mitochondrial ...
Alexander   +42 more
core   +3 more sources

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