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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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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This Cochrane review included 9 small RCTs with either a high or unclear risk of bias providing evidence that was insufficient to support the use of laser as an alternative to the drill for caries removal.
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Only 4 studies were included in the Cochrane review of the impact of rubber dam isolation on dental restorations. The findings suggest that using rubber dam may results in lower failure rates
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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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This review of the failure rates of all-ceramic crowns included 14 (9 prospective, 5 retrospective) studies. Using a broad definition of failure there was little difference between rates in anterior and posterior crowns.
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This review of complication in teeth restored with fibre posts only included 4 small studies providing little evidence to inform clinical practice
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Only 3 RCTs could be identified for this review of the long-term performance of direct versus indirect composite inlays/ onlays in posterior teeth. the limited quality of the studies provide insufficient evidence to recommend direct over indirect techniques.
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This review of endocrown restorations identified 8 studies only 3 of which were clinical. These 3 clinical studies were very small and two of them were retrospective providing very low quality evidence to support their effectiveness.
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Only 19 small studies were identified for this review of the survival rate of removable dental prostheses. the Heterogeneity of the studies and evaluation criteria made comparisons difficult so findings should be interpreted with caution.
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