The Effect of Dental Sealants on Bacteria Levels in Caries Lesions

Oong, Ella M.; Griffin, Susan; Kohn, William G.; Gooch, Barbara F.; Caufield, Page W.

doi:10.14219/jada.archive.2008.0156

Cited by 176 publications

(108 citation statements)

References 20 publications

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“…The appropriateness of some of the outcomes reported, especially in the GIC trials, should be noted, as these sealants are effective long after being regarded as "lost" or "partially lost" (31,36). This lower/ poor retention rate has been reported in many systematic reviews (2,9,12,41). It has been hypothesized that although the GIC sealants appear clinically as "partially" or "totally" lost, the opening of the fissures remain sealed and the effectiveness of GIC is attributable to the isolation of bacteria from nutrients in the substrate below early carious lesions that have been sealed, the release of fluoride into the dentin or a combination of both factors (41).…”

Section: Discussionmentioning

confidence: 86%

Caries-preventive effect of glass ionomer and resin-based fissure sealants on permanent teeth: a meta analysis

et al. 2009

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Abstract:The purpose of this quantitative systematic review was to appraise the evidence on the caries-preventive effect of glass ionomer cement (GIC) in relation to resin-based fissure sealants. Nine English and two Portuguese databases were searched (15 January 2008). Randomized clinical trials and systematic reviews were considered for inclusion. Trial exclusion criteria were: drop-out rates > 33%; no randomization; baseline differences in groups not statistically adjusted; and no clinically important outcomes were presented. Two authors reviewed the articles independently. The outcome measure for the caries preventive effect was caries absence on sealed teeth. Of the 112 identified articles, 25 were selected for review. Of these, 14 were excluded and 11 accepted (8 trials; 3 systematic reviews). The accepted reviews provided no evidence of superiority of either sealant material. Six trials were included for meta-analysis. The pooled odds ratio was 0.96, 95% CI 0.62-1.49, indicating no difference in the caries-preventive effect of GIC and resin-based fissure sealant material. This systematic review with meta-analysis found no evidence that either material was superior to the other in the prevention of dental caries. Thus, both materials appear equally suitable for clinical application as a fissure sealant material. (J Oral Sci 51, 373-382, 2009)

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Section: Discussionmentioning

confidence: 86%

Caries-preventive effect of glass ionomer and resin-based fissure sealants on permanent teeth: a meta analysis

et al. 2009

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“…[50][51][52][53][54][55] The results showed a significant reduction in the total amount of bacteria and a modification of the composition of the cariogenic biofilm after sealing the carious dentine. 50,52,55 Oong et al 56 performed a meta-analysis on the effect of dental sealants on bacteria levels in caries lesions. Six studies were included in the analysis and the results showed that there was no evidence of significant bacteria proliferation under sealants.…”

Section: Biofilm Control and Heath Promotionmentioning

confidence: 99%

Health promotion and dental caries

Maltz¹,

Jardim²,

Alves³

2010

Braz. oral res.

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The central idea of the Brazilian health system is to prevent the establishment of disease or detect it as early as possible. Prevention and treatment of dental caries are related to behavioral factors, including dietary and oral hygiene habits, which are related to many chronic diseases. Dental health promotion therefore should be fully integrated into broadly based health-promoting strategies and actions such as food and health policies, and general hygiene (including oral hygiene), among others. For decades, a linear relationship between sugar consumption and caries has been observed. Recent data has indicated that this relationship is not as strong as it used to be before the widespread use of fluoride. However, diet is still a key factor acting in the carious process. Oral hygiene is a major aspect when it comes to caries, since dental biofilm is its etiological factor. Oral hygiene procedures are effective in controlling dental caries, especially if plaque removal is performed adequately and associated with fluoride. An alternative to a more efficient biofilm control in occlusal areas is the use of dental sealants, which are only indicated for caries-active individuals. If a cavity is formed as a consequence of the metabolic activity of the biofilm, a restorative material or a sealant can be placed to block access of the biofilm to the oral environment in order to prevent caries progress. The prevention of dental caries based on common risk-factor strategies (diet and hygiene) should be supplemented by more disease-specific policies such as rational use of fluoride, and evidence-based dental health care.

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“…23 In addition, evidence suggests that these non-cavitated lesions can also be managed in occlusal surfaces by sealing them from the environment. 24,25 Once the surface is significantly cavitated, it is no longer practical to rely on remineralization as a viable clinical treatment option. Remineralization is a microscopic subsurface phenomenon and will not macroscopically replace the tooth structure of a cavitation.…”

Section: Introductionmentioning

confidence: 99%

The cariogenic dental biofilm: good, bad or just something to control?

Wolff¹,

Larson

2009

Braz. oral res.

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This paper discusses the role of dental biofilm and adjunctive therapies in the management of dental caries. Dental biofilm is a site of bacterial proliferation and growth, in addition to being a location of acid production. It also serves as a reservoir for calcium exchange between the tooth and saliva. The salivary pellicle, a protein-rich biofilm layer, regulates the reaction between tooth surface, saliva and erosive acids. The protective effects of this pellicle on enamel are well established. However, understanding the effects of the pellicle/biofilm interaction in protecting dentin from erosive conditions requires further research. Saliva interacts with the biofilm, and is important in reducing the cariogenic effects of dental plaque as acidogenic bacteria consume fermentable carbohydrates producing acids that may result in tooth demineralization. Adequate supplies of healthy saliva can provide ingredients for successful remineralization. Strategies for managing the cariogenic biofilm are discussed with emphasis on the effectiveness of over-the-counter (OTC) products. However, since many toothpaste components have been altered recently, new clinical trials may be required for true validation of product effectiveness. A new generation of calcium-based remineralizing technologies may offer the ability to reverse the effects of demineralization. Nevertheless, remineralization is a microscopic subsurface phenomenon, and it will not macroscopically replace tooth structure lost in a cavitated lesion. Optimal management of cavitations requires early detection. This, coupled with advances in adhesive restorative materials and microsurgical technique, will allow the tooth to be restored with minimal destruction to nearby healthy tissue

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The Effect of Dental Sealants on Bacteria Levels in Caries Lesions

Cited by 176 publications

References 20 publications

Caries-preventive effect of glass ionomer and resin-based fissure sealants on permanent teeth: a meta analysis

Caries-preventive effect of glass ionomer and resin-based fissure sealants on permanent teeth: a meta analysis

Health promotion and dental caries

The cariogenic dental biofilm: good, bad or just something to control?

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