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At least 631 records · Page 35Linked to original sources
PubMed2006

Extended sealing of interproximal caries lesions.

In recent years the concept of minimally invasive dentistry has offered a more conservative approach to restoration of teeth with caries lesions. Several techniques have been suggested for treatment of proximal lesions, but their results have been less than ideal. The aim of this article is to present a new technique for ultraconservative restoration of small interproximal caries lesions that avoids the disadvantages of both the tunnel and the proximal slot restorative techniques. Two cases, of patients with high and low caries risk, are presented to illustrate the technique. The proposed technique can be considered the most conservative alternative to conventional Class 2 or slot-cavity treatment approaches.

Cariostatic Agents↗
PubMed2006

The effect of different fluoridation methods on the red wine staining potential on intensively bleached enamel in vitro.

PURPOSE: To study the effect in vitro of different fluoridation methods after intensive bleaching on the color of enamel slabs during a severe staining challenge with red wine. METHODS: 75 specimens were equally divided among five groups. Group 1 (no bleaching, no wine) served as control. Groups 2, 3 and 4 underwent bleaching with 35 % H2O2 for 10 minutes followed by home-bleaching for 8 hours/day with 10% carbamide peroxide on 14 consecutive days. Groups 2 and 3 were fluoridated for 1 hour with either Elmex gelée or Duraphat, respectively whereas Group 4 remained without fluoridation. Group 5 (no bleaching, no fluoride, wine) served as control for the influence of red wine on the color of untreated enamel. Color determination was accomplished using the CIE-Lab System. RESULTS: Nine successive cycles of wine saliva treatment (10 minutes wine, 23 hours 50 minutes saliva) for Groups 2-5 revealed the highest changes of a-values (deltaa= 4.17) (towards red) for the Duraphat-treated group (bleaching, Duraphat, wine) with significantly higher deltaa-values compared with Group 4 (bleaching, no fluoride, wine) (deltaa= 2.97). After final cleaning no differences were found between the three bleached groups (Groups 2, 3 and 4) for deltaL, deltaa, deltab and deltaE, respectively. Exposure to red wine led to an increase in a-values (deltaa= 0.44) of the intrinsic tooth color in Group 5 (no bleaching, no fluoride, wine) that was significantly different from baseline.

Amines↗
PubMed2006

Minimally invasive restorative dentistry: a biomimetic approach.

When providing dental treatment for a given patient, the practitioner should use a minimally invasive technique that conserves sound tooth structure as a clinical imperative. Biomimetics is a tenet that guides the author's practice and is generally described as the mimicking of natural life. This can be accomplished in many cases using contemporary composite resins and adhesive dental procedures. Both provide clinical benefits and support the biomimetic philosophy for treatment. This article illustrates a minimally invasive approach for the restoration of carious cervical defects created by poor hygiene exacerbated by the presence of orthodontic brackets.

Adolescent↗
PubMed2006

[Effect of chemical compounds of Galla chinensis on enamel surface rehardening in vitro].

OBJECTIVE: To evaluate the effect of chemical compounds extracted from Galla chinensis on enamel surface rehardening in vitro. METHODS: Sixty bovine enamel blocks with early carious lesions were randomly divided into six groups: group1 treated NaF (positive control); group2 with GCE; group3 with GCE-B; group4 with GCE-B1; group5 with GCE-B2 and group6 with deionized water (negative control). The lesions were subjected to a pH-cycling regime for 12 days. Surface enamel microhardness was measured on the enamel blocks before and after demineralization. After pH-cycling, and the percentage of surface microhardness recovery (SMHR) was calculated. RESULTS: Obvious increase of the surface hardness of the enamel was observed in all the treatments except GCE-B2 and deionized water (P < 0.05). CONCLUSIONS: The present study demonstrates the potential of the three GCEs (GCE, GCE-B and GCE-B1) to effect net rehardening of artificial carious lesions under dynamic pH-cyclic conditions.

Animals↗
PubMed2006

Remineralisation of carious enamel lesions after application of a CHX/F-mouthrinse compared with sole CHX- and placebo-application.

PURPOSE: The purpose of this cross-over, double-blind, placebo-controlled, randomised in situ study was to evaluate the remineralisation of demineralised enamel specimens using a CHX/NaF mouthrinse in comparison with a CHX- and a placebo-mouthrinse. MATERIALS AND METHODS: Twenty-four volunteers received intraoral appliances with mounted demineralised enamel specimens. They rinsed their mouths twice a day (10 ml for 1 minute) with the respective preparation. After 14 days, the in situ mineral gain and fluoride uptake were determined. RESULTS: Mineral gain was significantly higher after using CHX/F mouthrinse (358.4 +/- 372.1 Vol.% X microm) compared with CHX (95.6+/-192.2 Vol.% X microm) and placebo treatment (80.8 +/- 159.6 Vol.% x microm). Moreover, CHX/F treatment (2751.1+/-1494.9 microg/cm(3)) resulted in a significantly higher fluoride uptake compared with CHX- (83.8+/-94.0 microg/cm(3)) and placebo- (136.6+/-137.3 microg/cm(3)) mouthrinses. CONCLUSION: The in situ study approves that using a CHX/F mouthrinse supports the remineralisation of initial carious lesions.

Adult↗
PubMed2006

Erosive tooth wear: diagnosis, risk factors and prevention.

PURPOSE: To provide an overview on diagnosis, risk factors and prevention of erosive tooth wear, which is becoming an increasingly important factor when considering the long- term health of the dentition. RESULTS: Awareness of dental erosion by the public is still not widespread due to the cryptic nature of this slowly progressing condition. Smooth silky-glazed appearance with the absence of perikymata and intact enamel along the gingival margin, with cupping and grooving on occlusal surfaces are some typical signs of enamel erosion. In later stages, it is sometimes difficult to distinguish between the influences of erosion, attrition or abrasion during a clinical examination. Biological, behavioral and chemical factors all come into play, which over time, may either wear away the tooth surface, or potentially protect it. In order to assess the risk factors, patient should record their dietary intake for a distinct period of time. Based on these analyses, an individually tailored preventive program may be suggested to patients. It may comprise dietary advice, optimization of fluoride regimes, stimulation of salivary flow rate, use of buffering medicaments and particular motivation for non-destructive tooth brushing habits. The frequent use of fluoride gel and fluoride mouthrinse in addition to fluoride toothpaste offers the opportunity to minimize abrasion of tooth substance.

Acids↗
PubMed1991

Surface-specific effect of a mineralizing agent on the permanent teeth and on periodontal status.

In a two-year clinical trial the surface-specific effect of a mineralizing agent on selected permanent teeth was evaluated as well as the effect of this agent on periodontal health in children. Compared with positive controls (Control group, n = 123, biweekly mouthrinsing with placebo and 0.2% NaF solutions), among children in the test group (n = 123, biweekly mouthrinsing with 2% Remodent and 0.2% NaF solutions) the mineralizing agent clearly affected periodontal health (as determined by the prevalence of subjects with gingival bleeding and occurrence of affected sextants at risk) positively, in addition to having a positive effect on the incidence of EFD lesions. The mineralizing agent tested was not found to have adverse effects (as determined by the prevalence of subjects with dental calculus and occurrence of affected sextants at risk). Use of the mineralizing agent is recommended especially during posteruptive maturation of permanent teeth.

Cariostatic Agents↗
PubMed1991

Fluoride and caries prevention: 1. Scientific rationale.

In order to achieve the greatest clinical benefit from the use of fluoride, we must understand its mechanism of action, so that fluoride can be given at the right time, by the best route, at the optimum dosage and in the most suitable form. The first article in this two-part series reviews the scientific rationale behind the use of fluoride. Part 2 will illustrate fluoride therapy in practical terms, by examining eight clinical cases.

Dental Caries↗
PubMed1990

Mineralizing agents in caries prevention: a review of the effects of Remodent.

Caries reduction from tooth brushing with Remodent occurs according to age, from 37.8% to 83.7% during a two to three year follow-up. The highest reduction was gained when the program was started at the age of 2. When Remodent-solution and -varnish were tested in one to three year follow-up, reductions in caries occurred from 20% to 91%. These studies also showed that the effect was best when the preventive treatment was started early.

Cariostatic Agents↗
PubMed1990

[Indications and preparation of a fluoride splint].

The individually produced fluoride miniplastsplint is suitable for application in preventive dentistry, for the therapy of cervical demineralisation and hypersensitive root surfaces. The models must be measured with a "parallelometer" so that the exactness and tightness of the splint can be guaranteed. A space with room for occlusal stops guarantees the necessary place for the gel containing fluorides. The patient must wear the splint once a week for half an hour.

Adolescent↗
PubMedDate not supplied

[The effect of calcium glycerophosphate and Remodent on the dental enamel permeability in dogs with fluorosis].

In 14 dogs aged 6 months with severe fluorosis, the authors studied the effects of intake of calcium glycerophosphate and local remodent application on 45Ca enamel incorporation and the depth of its penetration into the dental hard tissues. The treatment led to a substantial decrease in both enamel 45Ca accumulation and the depth of its penetration under severe fluorosis. Combined use of the drugs was more beneficial in terms of enamel 45Ca permeability.

Animals↗