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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Cavity liners for posterior resin based composites?

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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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Preformed paediatric crowns: little evidence for aesthetic crowns

PMC 2

Only 7 small studies at high risk of bias were available for this review of preformed paediatric aesthetic crowns. They provide little evidence on which to r change of practice particular for posterior teeth where the use of stainless steel crowns is recommended.

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Composite restorations: no difference in longevity with direct or indirect placement

shutterstock_123309100 - tooth coloured restoration before & after

This review of the clinical performance of direct and indirect resin composite restorations in permanent teeth included 9 small RCTs . The findings suggest no difference in clinical longevity but the evidence is limited.

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EDTA conditioning improved cervical restoration retention

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This trial involving 48 patients found that EDTA conditioning improved the retention of restoration in non-carious cervical lesions at 18 months.

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Laminate restorations in posterior teeth: evidence limited

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This review included 13 small studies of limited quality. While the available evidence suggests there may be no difference, further long-term high quality studies are required to confirm if this is the case.

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Posterior resin restorations: high survival at 4 years

shutterstock_123309100 - tooth coloured restoration before & after

This review of 8 studies involving 910 posterior resin restorations in 420 patients found a survival rate at 4 years = 0.93 (95% CI; 0.91- 0.95). However, the overall quality of the evidence was low.

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