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Results for “Tooth Abrasion”

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At least 19 recordsLinked to original sources
PubMed1990

[Evaluation of air-powder abrasive system on tooth abrasion].

The maintenance of good oral hygiene in patients with or without prosthesis has been one of the essential parts of the total oral health care. Recently a redesigned air-powder abrasive system was introduced to remove dental plaque and stain from tooth surfaces. This study was designed to evaluate effects of this device on the cementoenamel junction area quantitatively and qualitatively by using the Michigan Computer Graphic Coordinate Measuring system (MCGCMS) and scanning electron microscopy (SEM) after exposure to an air-powder abrasive device. A tooth specimen was exposed to a Cavi-Jet (Dentsply International Inc., York, PA) for 10, 30, 90 seconds intervals. The MCGCMS was utilized before and after treatment of the specimen at each time interval to measure the depth abrasion of the tooth material, and SEM pictures were taken after 90 seconds treatment of the specimen to evaluate surface characteristics. Following conclusions were drawn within the limits the confines of this study. 1. An air-powder abrasive device abrades cementum rapidly and should be used carefully below cementoenamel junction. 2. There was no significant change on the enamel surface quantitatively. 3. The MCGCMS reproduces and measures experimental points accurately.

Air↗
PubMedDate not supplied

[Elevated tooth abrasion in people of older age groups].

Specific features of tooth abrasion were studied in 105 patients aged 46-65 with the use of special questionnaires and Smith and Knight's abrasion index. Mandibular teeth were characterized by a higher abrasion level, the first and second right molars wearing down the first. Of the maxillary teeth the frontal ones were worse worn down. Potable water enrichment with fluorine (up to 2 mg/l) did not reduce the level of teeth abrasion.

Age Factors↗
PubMed1979

Intraoral leukoplakia, abrasion, periodontal breakdown, and tooth loss in a snuff dipper.

Dentists should be aware that snuff dipping or chewing is increasing in southern states and perhaps in other sections of the United States. These habits can lead to clinical leukoplakia, gingival recession, tooth abrasion, and periodontal bone destruction. The possibility also exists that a malignant transformation of leukoplakia can develop in persons who use snuff and other forms of tobacco.

Adult↗
PubMed1978

[Erosion and abrasion of the dental enamel. Experimental study].

The clinical aspects, epidemiology, etiology and pathogenesis of dental erosions in man and experimental animals are reviewed. Abrasion of enamel, softened in orange juice for 3 minutes and brushed with various dentifrices, was studied with Knoop hardness measurements and scanning electron microscopy. Knoop indentations made on softened enamel surfaces were almost totally removed by 2-minute brushings with highly abrasive tooth pastes. Brushing without dentifrices only slightly changed the distinctness of the indentation outlines. Recommendations for primary and secondary prevention of erosions are given.

Animals↗
PubMed1976

A survey of factors possibly associated with cervical abrasion of tooth surfaces.

The study indicates that cervical abrasion is related in some way to a factor or factors associated with the initial stages of the tooth-brushing procedure. The evidence, furthermore, demonstrates that an excessive use of dentifrice habitually placed, undiluted, on the same area of the mouth, may produce the abrasion. In view of this evidence, it would seem prudent to advise patients to use decreased quantities of dentifrice and to initiate the brushing procedure on the occlusal surfaces of the teeth to effect a dilution of the dentrifrice. The same effect might be accomplished by alternating the initial placement of the brush between the quadrants to more evenly distribute the abrasive effect. The high percentage of these lesions found in this young age group demonstrates a higher prevalence of the lesion in a younger age group than was previously suspected. We can further conclude that cervical abrasion is related to age and gingival recession. Furthermore, the study indicates that patients who exhibit cervical abrasion have less plaque and the lower bleeding scores than those who do not.

Adolescent↗