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Results for “Tooth Attrition”

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At least 145 records · Page 8Linked to original sources
PubMed2000

Patterns of tooth wear associated with methamphetamine use.

BACKGROUND: Methamphetamine (MAP) abuse is a significant worldwide problem. This prospective study was conducted to determine if MAP users had distinct patterns of tooth wear. METHODS: Methamphetamine users were identified and interviewed about their duration and preferred route of MAP use. Study participants were interviewed in the emergency department of a large urban university hospital serving a geographic area with a high rate of illicit MAP production and consumption. Tooth wear was documented for each study participant and scored using a previously validated index and demographic information was obtained using a questionnaire. RESULTS: Forty-three MAP patients were interviewed. Preferred route of administration was injection (37%) followed by snorting (33%). Patients who preferentially snorted MAP had significantly higher tooth wear in the anterior maxillary teeth than patients who injected, smoked, or ingested MAP (P = 0.005). CONCLUSION: Patients who use MAP have distinct patterns of wear based on route of administration. This difference may be explained anatomically.

Administration, Inhalation↗
PubMed1997

Effects of unilateral upper incisor extraction on facial growth of young rats.

The effects of unilateral extraction of the upper incisor (one tooth) on facial growth of young rats were studied. The remaining upper incisor showed deviation towards the opposite side, and there was regular dental wear of all the incisors. The effects were evident only in the mid-facial area. Cephalometric measurements showed significant shortening with deviation of the incisor bone on the extraction side. There was no significant disturbance of the growth of the rest of the maxilla and mandible. These results indicate that upper incisor extractions have a localized influence, leading to impairment of incisor bone growth.

Alveolar Process↗
PubMedDate not supplied

A 24-month follow-up of flowable resin composite as an intermediate layer in non-carious cervical lesions.

This study compared the clinical performance of a microhybrid resin composite to lined Class V restorations or to those restorations without a flowable resin composite over a 24-month period. Nineteen patients with at least 2 pairs of equivalent cervical erosion/attrition/abfraction lesions, under occlusion, were enrolled in this study. A total of 74 restorations were placed, half for each group (Single-Bond + Filtek-Flow + Filtek Z250 or Single-Bond + Filtek Z250). According to the manufacturers' instructions, 2 calibrated operators placed all restorations. Two other independent examiners evaluated the restorations at baseline and after 24 months, according to the USPHS criteria and modified criteria for color match. The classic alpha score was divided into A1 for "not detectable" and A2 for "slightly discernible" filling. Statistical analysis was conducted using Fisher's exact test (alpha=0.05). For each group, 8 restorations were lost after 24 months (retention rate of 89.2%). All the restorations showed a trend toward dark yellowing after 24 months (color match A2).

Adult↗
PubMed2000

Equine dental disease. Part 3: A long-term study of 400 cases: disorders of wear, traumatic damage and idiopathic fractures, tumours and miscellaneous disorders of the cheek teeth.

Of 400 horses referred because of dental disorders, 349 cases were diagnosed as suffering from primary disorders of their cheek teeth. Details of 104 of these cases are presented, including 44 cases with abnormalities of wear, 26 cases with traumatic damage, 24 cases with idiopathic fractures and 10 cases with miscellaneous cheek teeth disorders including oral tumours. The long-term response to treatment was excellent in most cases, even in cases with residual secondary periodontal disease.

Animals↗
PubMed1996

Incisal and occlusal tooth wear in children and adolescents in a Swedish population.

The material consisted of 527 randomly selected children and adolescents from the community of Jönköping, Sweden, who in 1983 reached the age of 3, 5, 10, 15, or 20 years. The degree of incisal or occlusal tooth wear was evaluated for each single tooth in accordance with the following criteria: score 0 = no wear or negligible wear of enamel; score 1 = obvious wear of enamel or wear through the enamel to the dentin in single spots; score 2 = wear of the dentin up to one-third of the crown height; and score 3 = wear of the dentin more than one-third of the crown height. In the age groups 3 and 5 years the primary dentition was studied, and in the age groups 10, 15, and 20 years the permanent dentition. In the 3-year-old children 63% and in the 5-year-olds 19% had no or slight incisal or occlusal wear in the primary dentition. In the permanent dentition the corresponding figures for the 10-, 15-, and 20-year-olds were 78%, 51%, and 35%, respectively. The 5-year-olds had the highest percentage of primary teeth with incisal or occlusal wear related to existing teeth in accordance with criteria 1-3 (32.2%), and the 10-year-olds had the lowest score for permanent teeth (2.5%). There were small or no differences in tooth wear between the sexes in these age groups. Eighteen children (17%) among the 5-year-olds had one or more teeth with wear scored 2 in the primary dentition, and one individual had 4 primary teeth scored 3. The corresponding figures for the 3-, 10-, 15-, and 20 year-olds were 2%, 1%, 7% and 6%, respectively. No permanent teeth with wear scored 3 were found in these age groups. The number of teeth with incisal or occlusal wear increased with age both in the primary and in the permanent dentition.

Adolescent↗
PubMed1999

Periodontal and dental lesions in raccoons from a farming and a recreational area in Illinois.

Dental health was evaluated in two populations of raccoons (Procyon lotor) in western Illinois (USA); one was from a rural agricultural area with low human density and the other from a nearby state park heavily used by humans and raccoons. From 1989 through 1993, 300 raccoons were live-trapped in the agricultural area and 246 raccoons were live-trapped in the park. Oral health was assessed using gingival and calculi indices and by measuring loss of attachment and tooth wear. Raccoons from the park were significantly older and smaller, but not thinner, than raccoons from the farmed area. Gingival and periodontal indices, tooth wear, tooth loss, and caries increased significantly from juveniles to yearlings to adults, at both sites. Males had higher levels of gingivitis and loss of periodontal attachment than females, but were similar on other dental measures. There were no seasonal differences between raccoons in dental indices. Animals with high scores for one oral measure tended to have high values for all indices. Dental health was generally good for juveniles and yearlings from both sites. Among adults, periodontal indices and the prevalence of caries were significantly higher in the park, but prevalence of broken or missing teeth was similar for both populations. There was no association between body condition, and a higher dental score or more missing or broken teeth.

Age Factors↗
PubMedDate not supplied

The implication of phenylketonuria on oral health.

PURPOSE: This study was performed to evaluate the oral health of children with PKU and to assess, in vitro, the erosive potential of 5 amino acid supplements commonly prescribed in the management of these children. METHODS: Forty children with phenylketonuria underwent a full dental examination and were compared with an age and sex matched control group. The erosive potential of the supplements was assessed by comparing their pH and titratable acidity to those of Coca Cola and orange juice. RESULTS: There was no significant difference between the affected and control groups in the level of dental caries, with over 75% of the children examined being caries free. However significantly more (33%) children with phenylketonuria exhibited signs of tooth wear compared with 24% of the controls (P < 0.05). While Coca Cola had the lowest pH (2.46), the titratable acidity of the flavoured supplements (92.86-126.8 mEq/l) was significantly higher than both their unflavored counterparts (4.18-14.0 mEq/l) and Coca Cola (38.56 mEq/l). CONCLUSIONS: Despite the potentially damaging nature of their diet, significantly less children with PKU had ever seen a dentist. Health professionals involved in the care of these patients should be aware of the implications of management and provide appropriate dental advice and referral.

Adolescent↗
PubMed1999

Dealing with sensitive teeth.

Dental pain is extremely common in the UK and can severely reduce the quality of life when it is associated with eating, drinking or speech. Patients often present complaining of a short, sharp, stabbing pain from hot or cold air, foods or drinks: while this may be caused by tooth decay, failing fillings or cracks in teeth, a major cause is sensitivity from exposed dentine. Treatment varies from dietary control, desensitising toothpastes to protection with dentine-bonding agents and glass ionomers. In extreme cases elective devitalisation is necessary.

Dentin Permeability↗
PubMedDate not supplied

Etiology and diagnosis of tooth wear: a literature review and presentation of selected cases.

PURPOSE: This article presents an overview of etiologies associated with tooth wear. MATERIALS AND METHODS: Specific types of wear based on clinical findings and patient history are described. RESULTS: The occurrence and pattern of tooth wear are related to cultural, dietary, occupational, and geographic factors. Examples of tooth wear related to these factors with regional specificity are presented. CONCLUSION: The dental practitioner should recognize the characteristic signs of tooth wear, as they may be the first to discuss the problem with the patient. Management should be based on accurate diagnosis.

Adolescent↗
PubMed2000

A literature review of the techniques to measure tooth wear and erosion.

This paper reviews methods to measure tooth wear especially those more recently introduced as a result of improvements in technology. The review searched methods to measure tooth wear and dental erosion from large epidemiological investigations, in vitro and in vivo studies. There seems to be wide variation in techniques used to measure tooth wear and erosion. In vitro techniques may have little direct clinical relevance but can lead to new and more accurate clinical methods. In vivo studies have problems with reference points and accurate validation of the techniques. There is a need for a simple, reliable technique to quantify tooth wear due to erosion.

Diagnostic Imaging↗
PubMed2001

Aetiology of abfraction lesions.

The aetiology of abfraction lesions is complex. Most evidence indicates that physical loading forces are a major contributing factor, although they are unlikely to be entirely responsible. Intraoral chemical influences and toothbrush abrasion, combined with the dynamics of inter-occlusal activity such as chewing, swallowing, and parafunction, lead to stress corrosion and may contribute to abfraction lesions. The multifactorial aetiology that operates in the initiation and progression of these lesions has made investigation difficult. Various theories have been proposed and numerous surveys and studies conducted, but the primary causal factor has yet to be definitively determined. This review concludes that occlusal loading is the initiating factor in the development of abfraction lesions.

Bite Force↗