abrasion

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abrasion

Geography the effect of mechanical erosion of rock, esp a river bed, by rock fragments scratching and scraping it; wearing down

abrasion

[ə′brā·zhən]
(engineering)
The removal of surface material from any solid through the frictional action of another solid, a liquid, or a gas or combination thereof.
A surface discontinuity brought about by roughening or scratching.
(geology)
Wearing away of sedimentary rock chiefly by currents of water laden with sand and other rock debris and by glaciers.
(medicine)
A spot denuded of skin, mucous membrane, or superficial epithelium by rubbing or scraping.

abrasion

A surface discontinuity caused by roughening or scratching.
References in periodicals archive ?
duraBility of rEsin cEMEnt Bond to aluMiniuM oxidE and zirconia cEraMics aftEr air aBrasion and lasEr trEatMEnt.
White technology introduced AirDent the first commercially available unit for preparing cavities in teeth with air abrasion.
Microleakage and bond strength of sealant to primary enamel comparing air abrasion and acid etch techniques.
We will continue to concentrate on our core business of developing and marketing enhanced air abrasion products for the dental and industrial markets, while leveraging our patented technologies through high-margin licensing agreements," Dartt said.
In the United States, the ART technique used widely is air abrasion microdentistry, which treats decay as early as possible with a gentle spray of air and powder mix that removes decay with no needle or drill, and fills it with a tooth-colored resin.
com)-- Northbrook Court Dental Associates, a long time Northbrook dental clinic, has announced it now offers air abrasion, a new technique for removing tooth decay without the use of a drill.
Discolouration is removed using an air abrasion tool (Fig.
Case reports of particular interest include the increasing presentation of facial/oral ornaments, such as tongue studs and their sequlae, a new approach to surgery for tongue-tie and air abrasion as a possible way of preparing primary incisors for restoration.
The study showed the weight of the immediate air abrasion treatment cavity preparation was on average 0.
The new facility brings the latest in dental technology including Cerec - one visit crowns, air abrasion (as a welcome alternative to the needle and drill), and high powered microscopes for quality and attention to detail.
Background: Air abrasion is a technique for removing dental caries and it has been reintroduced into the clinical setting as a result of improvements in equipment in association with both adhesive material development and minimally invasive restorative philosophy.