(n.) The act of abrading, wearing, or rubbing off; the wearing away by friction; as, the abrasion of coins.
(n.) The substance rubbed off.
(n.) A superficial excoriation, with loss of substance under the form of small shreds.
Example Sentences:
(1) This resulted in greater uniformity of abrasion over the enamel surface within the biopsy window area and better operator handling characteristics.
(2) Shaping and fine working of restorations necessitated by cervical lesions, abrasions at the necks of teeth, or root surface caries can often be arduous to complete.
(3) The row between two of the media industry's most colourful and abrasive figures took place in the YouView boardroom, located at Desmond's Northern & Shell Thameside skyscraper.
(4) Abrasive brushing techniques wear down the already damaged tooth surfaces.
(5) Orthopedic new approaches to therapy of OA include removal of abnormal tissue to stimulate repair (e.g., burring, abrasion) and grafting (e.g., osteochondral grafts, perichondrium, periosteum) to the subchondral bone.
(6) Before we meet, I have to have a stern talk with myself about not mentioning the game last August in which all Arsenal fans will contend that Barton got new signing Gervinho sent off on his debut; he's had similarly abrasive encounters since with fellow midfielders, Karl Henry from Wolves and Norwich's Bradley Johnson, the latter earning him a three-match ban.
(7) Elevated risks for stomach cancer among carpenters and machinists may reflect exposure to dusts, abrasives, and cutting oils.
(8) The testing was based on The British Standards Institution's specification for toothpastes, using a profilometer technique to evaluate the abrasion.
(9) Creation of smear layers with abrasive paper or dental burs reduced permeability by 80-85%.
(10) Since prosthetic meniscal replacement may be performed in the setting of normal articular cartilage, a prosthesis will be required to match the exact joint configuration, induce the same lubricity, produce the same coefficient of friction, and absorb and dampen the same joint forces (without incurring significant creep or abrasion) as does the normal meniscus.
(11) The titanium alloy strips were treated with citric acid, stannous fluoride, tetracycline HCl, chlorhexidine gluconate, hydrogen peroxide, chloramine T, sterile water, a plastic sonic scaler tip, and an air-powder abrasive unit.
(12) Perhaps grime and dubstep were simply too abrasive and strange to be successfully watered down for mainstream tastes.
(13) Relief from pain occurred in all patients soon after abrasion was performed.
(14) After mechanical denudation of the endothelium with a specially designed abrasive micropipette, spontaneous tone and myogenic responses were preserved.
(15) An abrasively Thatcherite style would be poison to their Lib Dem partners.
(16) Current management of hand injuries includes debridement by abrasive scrubbing with anti-bacterial detergents, surgical excision, or pressure irrigation.
(17) Plaque accumulations were also frequently located in abrasion grooves and surface pits in the enamel, and prolific plaque areas were consistently surrounded by a monolayer of bacterial cells.
(18) Corneal abrasion occurred in two babies and corneal oedema in one baby after forceps delivery but in none of the control group.
(19) However, person-to-person variation can have a great influence on the abrasion process; moreover, only two persons were involved in this pilot study, and no definitive statement can be made about the effect of the toothpastes.
(20) Recently a redesigned air-powder abrasive system was introduced to remove dental plaque and stain from tooth surfaces.
Attrition
Definition:
(n.) The act of rubbing together; friction; the act of wearing by friction, or by rubbing substances together; abrasion.
(n.) The state of being worn.
(n.) Grief for sin arising only from fear of punishment or feelings of shame. See Contrition.
Example Sentences:
(1) The results of this study indicate that, with all other factors held constant, a patient's attrition score tends to: increase with age, increase with bite depth, decrease initially with overjet until a critical value and then increase, and be unaffected by sex, interincisal angle, U1 to NA angle, Angle classification, posterior or anterior cross bites.
(2) The observed degree of efficacy of amoxicillin prophylaxis and of tympanostomy tube insertion must be viewed in light of the fact that study subjects proved not to have been at as high risk for acute otitis media as had been anticipated and in view of the differential attrition rates.
(3) The British financial services industry spent £92m last year lobbying politicians and regulators in an "economic war of attrition" that has secured a string of policy victories.
(4) This paper examines attrition among applicants to a methadone maintenance program before and after it began to require that applicants have a relative or close friend willing to act as a treatment sponsor.
(5) No statistically significant differences could be found between groups with respect to clinical signs, occlusal interferences, or dental attrition.
(6) Attrition of the filarial numbers occurred primarily within the midgut during the first 24 h following ingestion and was greater in Cx annulirostris than Ae.notoscriptus.
(7) By the attritional standards of the modern game, Djokovic took a relatively whizzbang three hours and 40 minutes to win 6-7, 7-6, 6-3, 6-2 and complete a hat-trick of titles here (the first to do so since Roy Emerson), to go with his first Australian championship five years ago.
(8) Two factors measured at intake, motivation and social functioning, showed statistically significant interactions between race and attrition.
(9) Diagnosis of this complication in the setting of severe joint damage is difficult as AADA and sepsis share certain characteristics--an initial, rapidly progressive, severely painful course and radiographs which show rapidly destructive changes with marked cartilage loss, bone attrition, and virtual absence of osteophyte or cyst response.
(10) As well as the risk of attrition to the Tories, the Lib Dems will be mindful that traditional Labour voters will be wary of proposed Lib Dem cuts in public spending – an issue that promises to take centre stage at the next election.
(11) Compared with gradual methadone reduction, clonidine treatment resulted in higher levels of withdrawal symptoms and side effects, earlier onset of withdrawal discomfort, earlier attrition, earlier termination of withdrawal discomfort, and a posttreatment course of drug use that was more consistent with success status during the study treatment.
(12) Attrition threatens the external validity of prevention studies because, to the extent that study dropouts are different from remaining subjects, the results of the study may not be generalizable to study dropouts.
(13) These profiles are compared to a review of the literature in higher education on fellowships, faculty attrition, faculty activities, tenure, and promotion.
(14) Over the last 11 years, the Conservative government has waged a war of attrition against First Nations.
(15) With several African leaders nearing their term limits, notably Paul Kagame in neighbouring Rwanda, the war of attrition in this vast, mineral-rich nation is being closely watched across the continent.
(16) This study examined attrition and weight loss in 235 female obese binge eaters, episodic overeaters, and nonbingers treated by a 26-week program of behavior modification and very low calorie diet.
(17) Progressive ventricular dilation and associated attrition of brain tissue was observed in SHRs of both sexes after 4 weeks of age, and was present in animals obtained from two different suppliers.
(18) This study examined the relationships among demographics, personality variables, drug use, and early attrition from substance abuse treatment.
(19) It is suggested that the observed differences in malocclusion prevalence were related to exogenous factors, primarily the pronounced dental attrition.
(20) The authors review factors affecting student attrition and retention in academic settings.