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At least 721 records · Page 40Linked to original sources

PubMed2001

What dental diseases are we facing in the new millennium: some aspects of the research agenda.

The next decades will show a shift in the attention given to diseases of the dental hard tissues. Clinical evidence on how to prevent dental caries is now available. More emphasis should be given to optimising the rational use of schemes of prevention. Caries still shows epidemic patterns in many countries while in some developed countries a high prevalence of the disease is limited to a small group. Increased attention is needed for new manifestations of pathology such as dental erosion, and for caries in special high-risk groups. New methods of presenting caries prevalence and incidence data should be implemented to ensure that the diseases of the dental hard tissues continue to have an important place on the political and research agendas.

Adolescent↗

PubMed1995

Dental 'erosion' revisited.

The term "erosion," as currently used in dentistry, is not only a misnomer but also is misleading, according to the authors. The authors highlight the critical roles of occlusal function and parafunction in the multifactorial etiology of cervical lesions and relate their significance to clinical practice. They propose a revised nomenclature for and classification of dental hard tissue lesions.

Bruxism↗

PubMed1993

Clinical evaluation of a new generation universal bonding system for conservative aesthetic restoration.

This study evaluated the clinical effectiveness of a new generation bonding material, used for conservative restoration of cervical erosion lesions. One hundred lesions were selected. At two-year recall, 79 have been reviewed to date. In those, 97.5% of the restorations were still present; 95% of restorations present had retained color, 96% had retained marginal integrity, and 100% had retained abrasion resistance, surface texture, and staining resistance.

Dental Restoration, Permanent↗

PubMed1978

Micromorphologic features of cervical erosion after acid conditioning and its relation with composite resin.

The dentin surface in cervical erosion appears relatively smooth with evidence of intratubular deposits. After acid conditioning, the tubules are made patent though some still contain relatively less soluble intratubular contents. Resin applied to acid-conditioned, eroded dentin penetrated approximately 30 micrometers compared to more than 100 micrometers into the tubules of similarly treated normal dentin.

Acid Etching, Dental↗

PubMed2002

Oral health of children with gastro-esophageal reflux disease: a controlled study.

BACKGROUND: The aim of this study was to compare the dental health of children with gastro-esophageal reflux disease (GERD) with a healthy control group. METHODS: Dental examinations were conducted for 52 children (31 boys and 21 girls) with a definitive history of GERD. For every subject enrolled in the study, a healthy control sibling without the condition was recruited. Medical histories were obtained from medical records, and dental and dietary histories were obtained from parents. The teeth were examined for erosion, dental caries, and enamel hypoplasia, and sampled for Streptococcus mutans. RESULTS: The prevalence of erosion by teeth was found to be statistically significant between GERD patients (14 per cent) and controls (10 per cent) (p<0.05). GERD patients had erosion in more permanent teeth compared to controls (4 per cent vs 0.8 per cent, p<0.05), and more severe erosion (p<0.05). Caries experience was also higher in GERD patients compared to controls (p<0.05). Although there were more subjects with Streptococcus mutans in the GERD group compared to the control group (42 per cent vs 25 per cent), the difference was not statistically significant. CONCLUSIONS: Children with GERD have more erosion and dental caries compared to healthy controls and should be targeted for increased preventive and restorative care.

Case-Control Studies↗

PubMed1998

In vitro erosive capacity of some fruit juices and soft or low alcoholic strength beverages on human teeth.

The in vitro erosive capacity of different fruit juices and soft or low alcoholic strength beverages (n = 50) on human teeth was examined. The end-point was the amount of calcium and phosphate released into the medium following incubation with the test substance. Overall, the erosive capacity rose as the pH of the products fell. A statistically significant negative correlation was found between the dissolving effect and pH or the modulating action in the presence of acids (r = -0.69282 and -0.63708 respectively; p = 0.0000). Conversely, there was no association between erosive capacity and concentrations of calcium, phosphate or fluoride. Considered overall, sport drinks exhibited the greatest demineralizing effect. Beer had the lowest dissolving action. Most of the drinks manufactured with grapefruit, lime or lemon/lime proved to be more erosive than those prepared with apple or peach. Susceptibility to erosion was virtually the same for all types of teeth and dental surfaces. The cervical portion which harbours the anatomical neck underwent dissolution more readily than the coronary portion (p < 0.001). The erosive capacity of the fruit juices and beverages tested is related to their pH. However, a strict relation between free H+ and demineralizing action was not found, probably due to the influence of other factors not considered in the present study.

Adolescent↗

PubMed1990

Treatment of severe chemomechanical erosion using castable ceramic restorations and a new dentin/enamel bonding system: a case report.

Six maxillary anterior teeth demonstrating severe chemomechanical erosion were restored using a minimal preparation design and a castable ceramic. Facial and lingual erosion prevented the development of the opposing wall retention and resistance form needed for traditionally cemented ceramic or porcelain-fused-to-metal crowns. Therefore, a dentin/enamel bonding system was used to condition the enamel and dentin simultaneously prior to cementation of an etched and silanated castable ceramic restoration. A resin cement was used as the luting agent.

Adult↗

PubMedDate not supplied

[Evaluation of oral health in bulimia nervosa].

AIM: The aim of the study was to evaluate the dental status of bulimics with self inducing vomiting. METHOD: 33 bulimic female patients aged between 17 to 20, who were in need of hospitalization in the Department of Psychiatry, Poznań University of Medical Sciences, were compared to 31 age and sex matched healthy controls aged between 18 to 36. For each subject dental examination including calculation of caries, erosion and oral hygiene indexes: PlI, OHI-S, DMFT and TWI was performed. In both groups salivary flow and pH of the whole saliva were measured. RESULTS: Bulimics manifest a significantly higher retention of dental plaque and also higher frequency of enamel erosion, which were not present in the control group. Additionally, bulimics had more intense caries. Stimulated and resting salivary flow were poor, although they had the lowest pH values but were within the normal range. CONCLUSION: Patients with bulimia nervosa showed a higher number and severity of enamel erosion. There is also the high difference in amount of dental plaque, caries and changes in salivary secretion. These results highlight a need for close cooperation between the dentist and the patient's physician, which will then improve the diagnosis and treatment of this disease.

Adolescent↗

PubMedDate not supplied

The glass-ionomer-lined cervical composite restoration: an in vitro investigation.

The marginal adaptation and microleakage of the glass-ionomer-lined composite resin restoration in simulated erosion and conventional class 5 preparations were evaluated. The most common site of leakage for all restorations was the gingival margin. In erosion lesion restorations, the etched thick liners were superior to the etched thin liners with respect to marginal leakage. Acid-etched and unetched liners in both the erosion lesion and the conventional class 5 restorations were comparable. Under the SEM a gap was often found in the liner rather than at the liner-resin interface in restorations with etched liners.

Acid Etching, Dental↗

PubMed2001

The relationship between erosion, caries and rampant caries and dietary habits in preschool children in Saudi Arabia.

OBJECTIVES: The aim of this study was to investigate the possible association between dental erosion and caries, and variables including socio-economic status, reported dietary practices and oral hygiene behaviour, in a sample of children in Jeddah, Saudi Arabia. A cross-sectional study including dental examination and questionnaire survey was carried out at a number of kindergartens. SAMPLE AND METHODS: A sample of 987 children (2-5-year-olds) was drawn from 17 kindergartens. Clinical examinations were carried out under standardized conditions by a trained and calibrated examiner (MAM). Information regarding diet and socio-economic factors was drawn from questionnaires distributed to the parents through the schools. These were completed before the dental examination. RESULTS: Of the 987 children, 309 (31%) showed signs of erosion. Caries were diagnosed in 720 (73%) of the children and rampant caries in 336 (34%). Vitamin C supplements, frequent consumption of carbonated drinks and the drinking of fruit syrup from a feeding bottle at bed- or nap-time when the child was a baby, were all related to erosion. Consumption of carbonated drinks and fruit syrups was also related to caries but they were part of a larger number of significant factors including socio-demographic measures and oral hygiene practices. CONCLUSIONS: There was no clear relationship between erosion and social class, or between erosion and oral hygiene practices; the reverse was true for caries. Dietary factors relating to both erosion and caries and/or rampant caries were found in this sample of children.

Age Factors↗

PubMed2004

A comparison of enamel erosion by a new sports drink compared to two proprietary products: a controlled, crossover study in situ.

OBJECTIVE: The aim of the study was to measure the erosive potential of a prototype sports drink on enamel in a model in situ. METHODS: The study was a single centre, single blind, randomised crossover design balanced for residual effects involving 18 subjects. The drinks were the prototype formulation containing calcium and maltodextrin (test), two sports drink products containing sugars (drink with calcium and positive control) and water (negative control). During each 15-day study period, subjects wore a palatal removable appliance carrying two flat human enamel specimens. Drinks were imbibed as 250 ml volumes over 10 min 4 times per day. Loss of enamel was measured on days 5, 10 and 15 using a contacting profilometer. RESULTS: Very little erosion occurred with the test, drink with calcium and negative control drinks and differences between the test and negative control only reached significance at day 15. The positive control produced progressive erosion over time and significantly more than the test or negative control at all time points. CONCLUSION: The technology of adding calcium with appropriate pH adjustment, which has been applied previously to soft and carbonated drinks to markedly reduce erosive potential, can be applied to sports drinks to the same end. Significant variation in the carbohydrate composition does not influence this outcome.

Adult↗

PubMed2002

Diagnosis and management of maxillary incisors affected by incisal wear: an interdisciplinary case report.

UNLABELLED: In the attempt to restore anterior teeth affected by erosion and bruxism, many clinicians have been frustrated with the constant restorative failures. Frequently, these failures are attributed to the restorative materials employed, especially in cases in which composite resins are used. However, some flaws of the restorations are related to the oversight of occlusal principles. The purpose of this article is to discuss the etiology, signs, and symptoms of incisal wear, with special attention to that caused by bruxism and chemical erosion. Relatively simple management techniques (e.g., occlusal adjustment, adhesive restorations) are proposed, and the diagnosis and management of a representative clinical case is presented. CLINICAL SIGNIFICANCE: In some cases of bruxism and/or dental erosion, it is possible to acquire space to recuperate the esthetics and function of maxillary incisors affected by incisal wear through a conservative treatment associated with the control of the etiologic factors.

Adult↗

PubMed1991

[The epidemiology of wedge shaped defects].

23% of a nonselected group of patients showed wedge shaped defects (9-10 of them per person). The number of teeth with these cervical erosions increases with age. Small accumulation of plaque was found. 65% of the patients with wedge shaped defects had parafunctions and 70% had a chronic pain. A complex of causes underlies the wedge shaped defects. A causal relation appears to exist between wedge shaped defects, occlusal disharmony, parafunctions and strong psychological tension of patients.

Adolescent↗

PubMed1994

Oral and dental manifestations in gastroesophageal reflux disease.

One hundred seventeen patients with reflux disease were examined with respect to the severity of their disease and oral, dental, and salivary findings. Twenty-eight patients had dental erosion, whereas the remaining 89 patients did not. No mucosal changes could be observed to be linked with the reflux disease. In the mean, the patients with erosion were older (54 versus 49 years), and the mean duration of their reflux disease was longer in comparison to those without erosion (17 versus 11 years, respectively). The severity of the reflux disease was more marked among patients with erosion than in those without as assessed by esophagogastroduodenoscopy, the Maratka classification, histologic examination of gastric and esophageal biopsy specimens, and 24-hour esophageal pH monitoring. No statistically significant differences were observed between the groups in any salivary parameters studied, although the number of patients with low salivary-buffering capacity was higher among those with erosion than among those without. Patients taking beta-blocking agents or tranquilizers had more erosion than those who did not take these medications. The severity of the reflux disease was not associated with any subjective symptoms in the mouth or pharynx. The frequency of consumption of acidic drinks and foodstuffs as determined by a questionnaire did not differ between the patients with and without dental erosion. Thus severe reflux disease of long duration was found to be potentially detrimental to the teeth, whereas milder forms of the disease need not cause dental side effects.

Adrenergic beta-Antagonists↗

PubMed2005

Properties and modification of soft drinks in relation to their erosive potential in vitro.

OBJECTIVES: The objective was three-fold; (1) to test the erosive potential (EP) of various soft drinks, (2) to determine properties related to the soft drinks that were important for EP, and (3) to test possibilities of reducing the EP of soft drinks by modification. METHODS: Sixteen soft drinks from the Icelandic market including three modified soft drinks were used. The pH, calcium, phosphorus, and titratable acid (TA) to pH 5.5, 7.0, and 10.0 were determined in each drink. From these results the buffer capacity (beta) at pH 4.5, 6.3, and 8.5, degree of saturation with respect to hydroxyapatite (DS(HAP)), and critical pH (DS(HAP)=1) were calculated. One orange juice was modified by addition of various concentrations of calcium and phosphate. EP was determined as weight loss from tooth pieces after immersion into the soft drinks for 24 and 72 h as well as calcium increase in the soft drink upon immersion. RESULTS: EP of the drinks varied from 0-10% weight loss and 0-31 mmol calcium increase. The pH in carbonated and sport drinks was lower than in fruit juices, whereas TA and beta was considerably higher in fruit juices. Significant correlations were obtained between EP and TA, beta, pH, and DS(HAP) (r(s)=0.69-0.90). Addition of calcium and phosphate to the experimental drinks considerably decreased their EP. CONCLUSION: We conclude that several properties related to soft drinks have an impact on their EP upon long exposure time to teeth and that moderate modification could be a helpful measure to reduce the EP of soft drinks.

Acids↗

PubMed2005

[Oral conditions in swimmers].

Swimmers, for several hours a week in contact with pool-water, may develop two different types of pool-water related oral conditions: dental erosion and dental staining. Dental erosion may occur when the acidity of the pool-water is below a pH-value of 5, dental staining when the pH-value of the pool-water is above 6.5. Of the two conditions mentioned, dental erosion is the most harmful, because it involves an irreversible process. The clinical significance is clarified by a few case-reports. In Dutch pools, the pH-value of the pool-water has to be checked daily. Therefore, among Dutch swimmers there is only a slight possibility of arising oral conditions caused by pool-water.

Chlorine↗

PubMed2005

Content analysis of children's television advertising in relation to dental health.

This paper provides some disturbing facts and figures about the amount of television being watched by children. In addition, it reports on the volume and type of television advertising aimed at young people, both in the United Kingdom and other developed countries. In view of recent public and professional concern as to the possible adverse effects of food advertising on children's health, this study set out to examine what proportion of television advertisements, directed at children, promoted products potentially harmful to dental health. Forty-one hours of children's television programming broadcast on ITV1, the main UK commercial channel, were recorded on to videotape for subsequent analysis. Almost 1,000 adverts were analysed; each was timed and broadly categorised as relating to a food/drink product or non food/drink product. Advertisements for food and drink were further subdivided according to their sugar and/or acid content. We found that, on average, 24 adverts were shown per broadcast hour, which accounted for 15.8% of the total schedule time. 34.8% of adverts related to food/drink products, and 95.3% of these promoted products that were deemed potentially cariogenic or erosive. The most frequently promoted food/drink products included breakfast cereals with added sugar (26.3%), confectionery (23.7%) and non-carbonated soft drinks (18.1%). It is very concerning that, despite recent specific codes of practice outlined by the Independent Television Commission for Children's Advertising, many food and drink products promoted during children's programming are potentially damaging to dental health.

Acids↗

PubMed2006

Gastroesophageal reflux diagnosed by occlusal splint tintion.

The gastroesophageal reflux (GER) disease is a very frequent digestive disorder, mainly characterised by the reflux of the gastric acidic content to the esophage in abnormal quantities. There are different situations that favour this situation but almost in all of them rely an incompetence of the esophagic sphincter. The clinical consequences are many, including oral manifestations. Among all of them the most frequent is the esophagitis followed by symptoms at the pharynx or larynx and finally, the oral cavity. At this level fundamentally we will find enamel and oral mucosa erosions. We report the case of a patient who was indirectly diagnosed of her esophague disease by the observation of the alterations in the occlusal splint induced by the gastric reflux. We review the literature concerning the above topic and its possible association with the miofascial syndrome.

Adult↗