Results 61 to 70 of about 134,700 (206)

An investigation of misalignment effects on the performance of acetal gears [PDF]

open access: yes, 2017
This paper concentrates on the effects of misalignment on meshing behaviour of acetal gears as hardly any misalignment investigations on polymer gears in the existing literatures. The experimental results show that the wear of acetal gears is insensitive
Hu, Zedong, Mao, Ken
core   +1 more source

Deciduous enamel 3D microwear texture analysis as an indicator of childhood diet in medieval Canterbury, England [PDF]

open access: yes, 2016
This study conducted the first three dimensional microwear texture analysis of human deciduous teeth to reconstruct the physical properties of medieval childhood diet (age 1-8yrs) at St Gregory's Priory and Cemetery (11th to 16th century AD) in ...
Deter, Chris   +7 more
core   +3 more sources

Lifecycle wear prediction of spur gears with time-dependent Archard model and surface topography evolution

open access: yesResults in Engineering
Gear wear degrades transmission accuracy by altering tooth geometry, contact pressure, and dynamic response. Many prediction approaches under dry/solid-lubricated conditions still under-represent the tribo-dynamic coupling among a time-dependent wear ...
Jingqi Zhang   +4 more
doaj   +1 more source

Item generation for a tooth wear-specific patient-reported outcome measure

open access: yesHealth and Quality of Life Outcomes
Introduction The effective management of tooth wear is one of the biggest challenges faced in modern dentistry. Tooth wear can significantly impact oral health-related quality of life, yet there is no existing condition-specific patient-reported outcome ...
Melissa Sin   +3 more
doaj   +1 more source

Prevalence and Indicators of Tooth Wear among Chinese Adults.

open access: yesPLoS ONE, 2016
Numerous epidemiological studies have focused on the prevalence and related indicators of tooth wear. However, no sufficient studies have been conducted with Chinese adults.
Zhao Wei   +5 more
doaj   +1 more source

Association of dietary habits and parental-reported sleep tooth grinding with tooth wear in children with mixed dentition

open access: yesBMC Oral Health, 2017
Background Tooth wear has a multifactorial etiology, thus it should be assessed within a multiple-variable framework. The objective of this investigation was to assess the association of dietary habits and parental-reported sleep tooth grinding (STG ...
Claudia Restrepo   +3 more
doaj   +1 more source

Examination on the wear process of polyformaldehyde gears under dry and lubricated conditions

open access: yesFriction, 2020
This study presents the results of detailed wear process examination on polyformaldehyde gears under both dry and lubricated conditions. A multi-purpose durability test rig was employed to study the wear performance of polyformaldehyde gear pairs.
Guoda Yu   +4 more
doaj   +1 more source

Investigating the performance of TiN and TiAIN coatings on milling cutter used for machining bimetal steel strip [PDF]

open access: yes, 2009
Surface engineering of cutting tools (single point or multipoint) through advanced coatings (e.g., TiN) has contributed towards considerable improvement of tool life, productivity and machining quality [1] by modifying the tool substrate.
Haider, Julfikar, Sarwar, Mohammed
core  

Mesolithic health and subsistence at Langhnaj and Mahadaha, India [PDF]

open access: yes, 2012
The late Mesolithic period in India saw the emergence of agriculture in the Harappan civilization. From here agriculture spread east and south replacing hunting and gathering.
Arista, Katherine L.
core   +1 more source

Radiation-induced root surface caries restored with glass-ionomer cement placed in conventional and ART cavity preparations: Results at two years [PDF]

open access: yes, 2005
The document attached has been archived with permission from the Australian Dental Association (8th Jan 2008). An external link to the publisher’s copy is included.Background: There are no published studies comparing the clinical performances of more ...
American Dental Association.   +13 more
core   +2 more sources

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