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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3 small trials were identified for this Cochrane review of adhesives for fixed orthodontic brackets
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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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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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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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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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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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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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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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This Cochrane review of liners under posterior composite restoration included 8 RCTs identifying little evidence to show that they reduced sensitivity and no evidence of an effect on longevity of restorations.
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