Bisphenol-A: Exposure from dental treatment

Bisphenol-A

This review on Bisphenol-A (BPA) exposure from dental treatment included 7 studies and suggests an increase in urinary BPA after 24 hours returning to baseline by 14 days.

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Cavity liners for resin-based composite restorations

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No new trials were available for this Cochrane review update. Only 8 RCTs were available providing inconsistent, low-quality evidence for a difference in postoperative hypersensitivity after placing a liner for posterior resin-based composite restorations in adult permanent teeth.

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Tooth fragment reattachment techniques?

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This review of tooth fragment reattachment techniques included only 5 small observational studies involving a total of 246 teeth providing limited evidence for these techniques.

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Glass ionomer cement or composite resin for class II restoration in primary molars

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This review of composite resin or glass ionomer cement for Class II restorations in primary molars included 10 RCTSs finding similar clinical performance.

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Flowable composites: clinical performance in non-carious cervical lesions

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Kenny Strain takes a look at this recent review of flowable composite use in non-carious cervical lesions. 8 small RCTs of low quality were included with the authors suggesting flowable composites have improved marginal adaptation at 1 and 3 years.

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Primary teeth: which restorative material last longer?

PMC 2

This review of the longevity of posterior restoration in primary teeth included 31 studies. composite resin had the lowest annual failure rate while stainless steel crowns had the highest success rate. The studies all have a high risk of bias so the findings should be interpreted cautiously.

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Atraumatic Restorative Treatment (ART)

caries upper arch

15 RCTs were included in this Cochrane review of Atraumatic Restorative Treatment (ART) comparing with conventional treatment for managing dental caries lesions in the primary and permanent teeth provided low quality evidence that ART using H-GIC may have a higher risk of restoration failure in primary teeth.

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Pulp capping carious exposures in adults: calcium hydroxide or MTA?

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This small but well conducted RCT compares the effectiveness of MTA and calcium hydroxide for direct pulp capping material in adult molars with carious pulpal exposure finding better performance for MTA at 3 years.

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Inlay-retained fixed dental prosthesis have acceptable 3-yr survival rate suggests review

Missing premolar

This review of inlay-retained fixed dental prosthesis included 11 small mainly observational studies. The studies suggest a 3-yr survival rate of 92.6% (95% CI: 85.8-97.6%) and 5-yr survival rate of 87.9% (95% CI: 77.4-96.1%). However because of the low quality of the available studies and the wide range of inlay designs, framework materials, surface treatments and cement systems used means that the results should be interpreted cautiously.

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