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PubMed2006

Abfractions.

Explore the source record for details and available documents.

Deglutition Disorders↗
PubMed2004

Prevalence of bruxism in children receiving treatment for attention deficit hyperactivity disorder: a pilot study.

The objective of this study was to evaluate reported bruxism among children affected by attention deficit hyperactivity disorder (ADHD). Thirty children diagnosed with ADHD and 30 healthy age and gender matched controls participated in the study. All subjects were examined for dental attrition, and the parents were asked for signs and symptoms of bruxism in their children using a questionnaire. Prevalence of oral parafunction was evaluated comparing ADHD children taking medications, ADHD children not taking medications, and controls. Subjects affected by ADHD and pharmacologically treated showed higher occurrence of bruxism compared to subjects affected by ADHD not taking medicines and controls; and within the ADHD group taking medications, CNS-stimulants have been associated with such side effect more frequently than the other drugs.

Adolescent↗
PubMed1975

Relation of the alveolus to the cemento-enamel junction following attritional wear in aboriginal skulls. An enquiry into normality of cementum exposure with aging.

With tooth attrition, the height of the alveolar crest does not increase to keep pace with active tooth eruption and the cemento-enamel junction-alveolar crest distance increases slightly with age in aboriginal skulls. But there is no atrophy of the alveolar bony margin. Some decrease in interalveolar height does occur. This does not necessarily mean that passive eruption with exposure of cementum is normal. Rather it is postulated that the epithelial attachment proliferates onto cementum, inhibiting alveolar crest addition, while the base of the gingival sulcus remains at the cemento-enamel junction. During the course of this investigation, it was found that the distance between the cemento-enamel junction and alveolar crest increased more rapidly with advancing wear in the lower molar region than in the upper. In the lower first molar region, the lingual distance was significantly greater than that between cemento-enamel junction and alveolar crest on the buccal aspect during each stage of wear. The size of the tooth, as reflected in the robustness index, had no influence on the processes or rate of active eruption, bone deposition at the alveolar crest, or measurements taken between cemento-enamel junction and alveolar crest.

Aging↗
PubMed1984

The toothbrush and gingival traumatic injury.

This paper explores, by means of clinical observation, toothbrush misuse and its relationship to gingival recession/clefting. The morphology of the lesions created is correlated with the vigor, duration, frequency and direction of the toothbrush abuse. In addition, histologic observations of biopsied tissue from different types of clefts and recessions are used as a basis for discussion of the possible pathogenesis of this type of lesion.

Adolescent↗
PubMed1993

Gingival recession in relation to history of hard toothbrush use.

Gingival recession studies in the U.S. have related primarily to sex and age with little consideration of toothbrush hardness. This preliminary study examined the relation between a history of hard toothbrush use and gingival recession. A total of 182 subjects, male and female, between 18 and 65 years of age, with a minimum of 18 natural teeth, no advanced periodontitis or history of periodontal surgery were examined. Gingival recession was scored as present whenever the free gingival margin was apical to the cemento-enamel junction and root surface was exposed. History of hard toothbrush use was ascertained. Eighty-two subjects had a history of hard toothbrush use, 77 did not, and 23 did not know. The percentage of subjects with recession increased with age from 43% to 81%, with a figure of 63% for all age groups combined. Males tended to show slightly greater levels of recession than females. Regression analysis showed that females had about 4 percentage points less receded surfaces than males. Recession was also found to be more pronounced for subjects with a history of hard toothbrush use, with a mean of 9.4% receded surfaces versus 4.7% for those who had never used a hard brush. For users of hard toothbrushes, the percent of surfaces with recession showed a significant and dramatic increase with increasing brushing frequency; this effect did not exist for those without a history of hard brush use. The relation with age was highly significant, with regression analysis showing that the percent of surfaces with recession tends to increase about 3.5 percentage points per decade.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed1990

[Clinical study on the correlation between occlusion raising and free-way space].

This paper presents three cases in which CSC telescope dentures were inserted following occlusion raising. Post-operative course remained uneventful in all three cases. Follow-up observations suggested that the use of CSC telescope denture, is helpful in prosthetic treatment which includes occlusion raising. In Case 1, occlusion was raised to a level above the free-way space. However, a new free-way space appeared after occlusion raising and it existed for a long time. A free-way space, which conformed to a space calculated from the free-way space before occlusion raising and the amount of occlusion raising, appeared in Case 2. In Case 3, however, the free-way space after occlusion raising was narrower compared to a space calculated from free-way space before occlusion raising and amount of occlusion raising.

Dental Occlusion↗