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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This review looked at the impact of gingival retraction on periodontal health. Only 10 small studies were available so which no method seems significantly superior the quality of the available evidence is limited.
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This review considered the effect of mandibular implant overdentures on the nutrition and nutritional status of older adults. Six small studies were included, overdentures were not seen to have an effect on BMI, albumin or vitamin B12 six months after treatment.
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This Cochrane review found 5 RCTs of pre-op analgesics prior to dental treatment for children under local anaesthetic. The evidence as insufficient to determine a benefit but there may be a benefit prior to orthodontic band placement. Further high quality studies are needed.
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