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Results for “TOOTH ABRASION”

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At least 631 records · Page 35Linked to original sources
PubMed1980

Dentition on Bahrain, 2000 B.C.

Teeth and jaws excavated from 25 burial mounds on the island of Bahrain were examined. Dating: 2000 B.C. The number of individuals buried was estimated from the dentition. An approximate determination of the age for death was attempted. Non-metric and metric traits of the teeth were observed. The teeth showed Caucasoid but no Mongoloid traits. They were small, worn at an early age, with a great deal of carious lesions, no multiple fractures, only a little calculus and alveoloclasia but frequent enamel hypoplasia. The mandibles showed fine healing after the widespread antemortem loss of molars, possibly extracted due to the consequence of caries, caused by the consumption of many carbohydrates.

Adolescent↗
PubMed1980

Age estimation in baboons (Papio cynocephalus) using dental characteristics.

Criteria for estimating the age of baboons using dental characteristics have been developed and tested. These criteria used eruption, wear, and color of the premolars and molars to characterize the ages of baboons in the range of 4--11 years of age. Ages greater than 11 were grouped into a single category. Using the criteria, three judges estimated independently the ages of 49 baboons, of known and unknown ages and of both sexes, with good agreement and precision. The rank order of the estimated ages was similar to the rank order of true ages for colony born animals.

Age Determination by Teeth↗
PubMed1995

Surface morphology and chemical characterization of abrasion/erosion lesions.

PURPOSE: To describe the dentin surface morphology of abrasion/erosion lesions and to chemically characterize in vivo samples of sclerotic dentin. MATERIALS AND METHODS: Baseline polyvinylsiloxane impressions of eight in vivo caries-free lesions were taken. Dentin was collected from retention grooves for FTIR photoacoustic spectroscopic analysis. The cavity preparation was etched for 30 seconds with 37% phosphoric acid, rinsed, and dried. Impressions were taken of the etched surfaces. Epoxy resin dies were made of baseline and etched impressions, sputter-coated and examined at x1000 with the SEM. RESULTS: Lateral dentin tubule orientation was observed at gingival margins and on occlusal walls. Open cross-sectional tubules were seen at the depth of the groove. The mineral/protein ratio in the FTIR/PAS spectra of in vivo unetched sclerotic dentin samples suggested an increased mineral content.

Acid Etching, Dental↗
PubMed1995

Restoring the aging dentition.

The aging of the population has put new demands on the range and capabilities of the dentist. Patients are no longer satisfied with the straightforward restoration of their mouths. They are demanding a more youthful appearance as an essential element of therapy. To provide this element, the dentist must have a thorough understanding of the physiology of tooth and facial aging, the treatments available, and the problems and limitations that might be incurred.

Aged↗
PubMedDate not supplied

Contemporary concepts in the pathogenesis of the Class V non-carious lesion.

The aetiology and pathogenesis of non-carious loss of tooth tissue are not fully understood, especially with respect to the cervical area of teeth. In this article the authors describe the current state of knowledge and emphasize the practitioner's duty to become aware of the pathogenesis of these lesions.

Aging↗
PubMedDate not supplied

Identification and management of tooth wear.

The etiology and treatment of occlusal tooth wear remain controversial. Longer tooth retention by the aging population increases the likelihood that clinicians will be treating patients with worn dentitions. A careful approach to interventional clinical procedures is advocated but should not curtail definitive management of patients having identifiable and potent causative agents that produce a rapid deterioration of the dentition. This article describes the epidemiology and etiology of occlusal wear and presents a conservative approach to its management.

Crowns↗
PubMed1994

Restoration of abfracted lesions.

This article discusses the latest clinical findings regarding the cause of cervical lesions. Certain preparation and bonding techniques are recommended for restoring these abfractures. In particular, the composite restoratives are explained and a guide is provided for choosing the most suitable materials.

Dental Cavity Preparation↗
PubMed1995

Occlusion and restorative materials.

Undoubtedly, the materials used in conjunction with restorative dentistry have been changing over the years. Although restorative systems before the early 1960s have changed only moderately, the last two to three decades have witnessed some fairly dramatic developments. Composite resins, mercury-free alloys, quartz-free ceramics, and gold-reduced or gold-free alloys represent some of the more obvious introductions. Considerable information has been made available concerning their physical and mechanical characteristics; however, little has been published concerning their effect on occlusion and equilibration of the teeth.

Composite Resins↗