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PubMedDate not supplied

Factors associated with clinical success of cervical abrasion/erosion restorations.

The purpose of this study was to evaluate the clinical performance of class 5 restorations according to USPHS criteria. Twenty-five patients and 116 abrasion/erosion lesions were restored with either a glass-ionomer cement restoration (Ketac-Fil), a composite resin restoration with a dentin bonding agent (Silux Plus, Scotchbond 2), or a composite resin restoration with a dentin bonding agent and a glass-ionomer liner (Silux Plus, Scotchbond 2, Vitrebond). At 3 years, 24 patients and 110 teeth were evaluated. All restorations were rated clinically acceptable for color match, cavosurface discoloration, surface texture, and caries development. Glass-ionomer cement restorations demonstrated a slightly rougher surface texture than the composite restorations (Friedman Two-way ANOVA, P=0.000). Significant differences were found with retention (Cochran Q test, P=0.012). Percentages retained were: glass ionomer, 97.3% (36/37); composite/dentin bonding agent, 75.7% (28/37); composite/dentin bonding agent/glass-ionomer liner, 100% (36/36). At 3 years class 5 restorations of glass-ionomer cement or composite with a dentin bonding and a glass-ionomer liner demonstrated significantly better retention than restorations of composite with a dentin bonding agent. Increased occlusal function, mobility, and mandibular arch were associated with a decrease in retention rate.

Aged↗
PubMed1994

Modern restorative management of advanced tooth-surface loss.

This article describes the restorative management of a case of advanced, localised tooth-surface loss using modern materials and techniques. Particular emphasis is placed on the conservation of tooth structure while providing restorations with optimum physical and aesthetic characteristics.

Adult↗
PubMed1996

Longevity of glass-ionomer restorative materials: results of a 10-year evaluation.

Three restorative materials used for cervical erosion /abrasion lesions were evaluated clinically after 10 years. Thirty adult patients with at least four cervical lesions received one restoration of each of Ketac-Fil, finished immediately, Ketac-Fil, finished after a delay, Chelon-FIl (all glass-ionomer cements), and Cervident (a resin composite). Restorations were placed without any tooth preparations. Eighteen patients returned for their 10-year examinations. Two experienced examiners provided the periodic evaluations. Complete retention at 10 years was 83% for Ketac-Fil, finished immediately; 78% for Ketac-Fil, finished after a delay; 67% for Chelon-Fil; and 17% for Cervident. All three glass-ionomer restorative materials exhibited statistically significantly greater retention that did Cervident. When a noninvasive procedure is desired, glass-ionomer materials are the restorative material of choice for abrasion/erosion lesions because of their long-term retention values.

Adult↗
PubMed1995

Non-carious cervical tooth loss: Part 1.

Non-carious cervical tooth loss is not always attributable to a single causative factor, as evidenced by the numerous terminologies used. In this, the first of two articles, the aetiology and prevalence of non-carious tooth loss are discussed. Guidelines are suggested as to how it may be diagnosed, prevented and monitored. A further article will cover the restorative management.

Adult↗
PubMed1995

Non-carious cervical tooth loss. Part 2: Management.

The aetiology, prevalence, diagnosis, prevention and monitoring of non-carious cervical tooth loss (NCTL) has been covered in the first article of this series. The aetiology of NCTL is usually multifactorial and may not be attributable to any single factor. Central to the successful management of NCTL is a correct diagnosis of the cause. This article will focus on the management of NCTL.

Composite Resins↗
PubMed1996

3-year clinical evaluation of modified Gluma adhesive systems in cervical abrasion/erosion lesions.

PURPOSE: To study the clinical performance of two candidates for improvement of the original Gluma bonding system. MATERIALS AND METHODS: Eight teeth with cervical buccal abrasion/erosion lesions were identified in 40 patients. The lesions were conditioned with an oxalic acid solution followed by either a HEMA-glutaraldehyde bonding agent or a formamide-containing bonding agent. The lesions were restored with a hybrid composite. Each patient received the same number of restorations with the two different bonding formulations. All restorations were made by the same operator (JK). Evaluations were based on the USPHS system. RESULTS: No difference between the two groups as to retention, marginal adaptation and discoloration was observed after 3 years. Eight restorations were lost and a slight increase in marginal discoloration was seen during the observation period.

Adult↗
PubMed1997

Clinical and laboratory evaluation of powered electric toothbrushes: in vivo determination of average force for use of manual and powered toothbrushes.

Mechanical oral hygiene instruments are intended to aid in the removal of stain and dental plaque from tooth surfaces. Certain home hygiene procedures, however, can lead to soft and hard tissue trauma. Power assisted brushing instruments are gaining in popularity, yet there is limited information on the interaction of these home care instruments with commercial dentifrices, and the resultant impact on oral tissues. In this study, the average forces applied during in vivo toothbrushing were determined for three powered brushing instruments (Rota-dent, Interplak and Braun Oral-B Plaque Remover) and a manual toothbrush (Oral-B P40). The Rota-dent instrument was found to be used with the lowest brushing pressure followed, in order, by the Braun Oral-B Plaque Remover. Interplak and the manual toothbrush. The average amount of dentifrice applied to the three powered brush heads was directly related to the size of the head, with Rota-dent typically receiving the least and Interplak the most applied dentifrice.

Adolescent↗
PubMed1997

Risk factors associated with tooth wear in teenagers: a case control study.

OBJECTIVE: To measure the association of various aetiological risk factors with tooth wear in 15-year-old school children. BASIC RESEARCH DESIGN: A case control study conducted one year after a prevalence study (Milosevic et al., 1994). The 80 children, identified from the prevalence study with palatally and/or occlusally exposed dentine, acted as cases. The control group were systematically selected from every tenth name on year registers. The only matching criteria were age, gender and school. All children answered a questionnaire detailing the risk factors and the tooth wear was further scored by one examiner (AM). SETTING: Ten randomly selected schools in Liverpool. PARTICIPANTS: 102 children participated out of a possible 160, an overall response rate of 64 per cent. Of the 54 controls, six had developed tooth wear into dentine during the 12-month interval following the prevalence study and were therefore excluded from the analysis. RESULTS: The odds ratio on 37 matched pairs was 1.7 (95% CI 0.72, 3.87) for grinding and clenching teeth and 2.6 (95% CI 0.91, 7.45) for carbonated drink consumption. Eating pickled food other than pickled onions was significantly more frequent in cases than in controls. Other potential aetiological factors which were not significantly associated with tooth wear in this group of children included stomach upsets, frequency of tooth brushing, weight/body shape and drinking fruit juice or using ketchup/sauces. Conditional logistic regression analysis of the paired data showed that carbonated beverage consumption was on the borderline of significance (P = 0.055) as a predictor for tooth wear in teenagers either on its own or allowing for the effect of tooth grinding. CONCLUSIONS: The frequent consumption of carbonated beverages is probably related to tooth wear. Future case control studies should seek to incorporate around 100 to 160 cases.

Adolescent↗
PubMed1997

Wear now? An update on the etiology of tooth wear.

Tooth wear is an ever-increasing problem, and younger patients are particularly at risk. The problem is likely to continue as patients' demands and expectations rise and as more natural teeth are retained into old age. The etiology of tooth wear is reviewed, with emphasis on those factors that appear to be major contributors to the problem at the moment. The clinical appearance of tooth wear is also discussed. It would appear that erosive factors are a significant cause of tooth wear. The prominence of acidic damage of tooth tissue is probably a reflection of society's concern with healthy eating and appearance.

Humans↗
PubMed1997

Esthetic recontouring. A team approach.

The presence of irregular incisal edges, a worn or abraded dentition, and imbalances in tooth morphology compromise a harmonious esthetic smile. A team approach is indicated after extensive orthodontic or prosthetic treatment to reach a final cosmetic result. Intentional changes in tooth form by recontouring provide an improved outcome. This article presents the components of a harmonious smile, evaluation, guidelines and a stepwise approach for the esthetic recontouring of anterior teeth. Two cases illustrate the effects that are achieved with this methodology.

Adult↗
PubMed1998

Dens evaginatus: review of the literature and report of several clinical cases.

Dens evaginatus (DE) presents as an innocuous looking tubercle of enamel on the occlusal surface of a tooth, most commonly a bicuspid. Problems can arise when the tubercle is either worn, ground, or fractured off, resulting in pulpal exposure and possible loss of vitality of the tooth. Dentists who perform orthodontic treatment should be aware of this dental anomaly, which occurs in at least two per cent of the Asian and Native Indian populations. Bicuspid extraction cases should involve the extraction of the anomalous premolars rather than the normal ones. In addition, the dentist should be mindful of occlusal changes that may occur during treatment or occlusal equilibration, both of which can jeopardize the vitality of teeth with DE. Pulp capping or partial pulpotomy has been postulated to be one of the most reliable forms of vital tooth treatment when pulp exposure is encountered following the sterile removal of the tubercle. When pulp exposure is not encountered, preventive resin composite sealing of the dentin or class I amalgam cavity preparation seems to be the treatment of choice.

Adolescent↗
PubMedDate not supplied

Guidelines for the restoration of Class V lesions.

Approximately 18 percent of all permanent teeth have Class V lesions. In addition, the prolonged retention of teeth in an increasingly older population is expected to increase the prevalence of Class V lesions. Much has been written about the merits of various techniques for restoring such lesions, but little information is available comparing and contrasting all the material and procedural options available to the general dentist. Etiologies, indications for treatment, and restorative materials are discussed to provide guidance in planning treatment. A diagnostic decision tree is proposed for this dynamic area of restorative dentistry.

Dental Caries↗
PubMed1997

Management of the short clinical crown by indirect restorations.

This paper describes the acute and chronic causes of short clinical crowns and their management. Fracture or trauma are common causes of acute failures whilst toothwear is the most common cause for chronic causes. There are many methods of restoring teeth using conventional indirect techniques, which may alter the existing occlusal vertical dimension (such as orthodontic Dahl appliances), or conserving the vertical dimension by increasing the length of the teeth. These methods are described and illustrated to assist the practitioner choose the most appropriate restoration.

Crown Lengthening↗