Results 11 to 20 of about 504,469 (305)

Measurement of tooth size and shape in subjects with hypodontia and a control group using a new image analysis technique. [PDF]

open access: yes, 2000
The literature referred to here provided information concerning the epidemiology of hypodontia and its association with other developmental anomalies.
Al-Sharood, Mohammad H
core   +5 more sources

Reduction of gear pair transmission error with tooth profile modification [PDF]

open access: yes, 2008
The gear noise problem that widely occurs in power transmission systems is typically characterised by one or more high amplitude acoustic signals. The noise originates from the vibration of the gear pair system caused by transmission error excitation ...
Tharmakulasingam, R   +2 more
core   +4 more sources

Tooth-whitening activity of a novel home-bleaching system utilising thermal diffusion : a multifactorial simultaneous evaluation of efficacy at cervical, body and incisal tooth sites [PDF]

open access: yes, 2012
Introduction The ability of a thermal diffusion system (TDS) to promote the tooth-whitening actions of a bleaching gel/bleaching activator combination product (containing a final hydrogen peroxide (H2O2) content of 10.0% (w/v)) towards discoloured 'smile-
Grootveld, Martin   +6 more
core   +1 more source

Tooth formation in Sudanese children [PDF]

open access: yes, 2011
PhDThe aim of this study was to describe the average age of permanent mandibular tooth formation in two groups of Sudanese children using a cross-sectional design following STROBE guidelines.
Elamin, Fadil
core   +2 more sources

Development of a device to simulate tooth mobility [PDF]

open access: yes, 2010
Objectives: The testing of new materials under simulation of oral conditions is essential in medicine. For simulation of fracture strength different simulation devices are used for test set-up.
Lamper, Timea   +3 more
core   +1 more source

Comparison of Tooth Size Discrepancy of Three Main Ethnics in Malaysia with Bolton's Ratio [PDF]

open access: yes, 2014
The objective of this study was to investigate the applicability of Bolton's ratios in orthodontic population of Malaysian main ethnics; Malay, Chinese and Indians.
Othman, S. A., Abd Rahman, A. N. A.
core   +1 more source

Tracking diphyodont development in miniature pigs in vitro and in vivo

open access: yesBiology Open, 2019
Abnormalities of tooth number in humans, such as agenesis and supernumerary tooth formation, are closely related to diphyodont development. There is an increasing demand to understand the molecular and cellular mechanisms behind diphyodont development ...
Fu Wang   +8 more
doaj   +1 more source

Efficient all-optical wavelength conversion scheme based on a saw-tooth pulse shaper [PDF]

open access: yes, 2009
We experimentally demonstrate the use of saw-tooth optical pulses, generated using a superstructured fiber Bragg grating, to achieve high performance and efficient all-optical wavelength conversion in a scheme based on cross-phase modulation in a highly ...
Ibsen, M.   +3 more
core   +1 more source

The effect of implants loaded with stem cells from human exfoliated deciduous teeth on early osseointegration in a canine model

open access: yesBMC Oral Health, 2022
Background This in vivo experimental study investigated the effect of stem cells from human exfoliated deciduous teeth (SHEDs) on early osteogenesis around implants.
Xu Cao   +4 more
doaj   +1 more source

A Database of Weekly Sea Ice Parcel Tracks Derived from Lagrangian Motion Data with Ancillary Data Products

open access: yesData, 2017
Arctic sea ice has been on the decline over the past several decades, and multi-year sea ice has decreased significantly in its areal share of the overall sea ice cover.
Matthew Tooth, Mark Tschudi
doaj   +1 more source

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