Thibault Colloc takes a look at this review comparing digital and conventional workflows for the placement of single crowns on dental implants. Ten studies were included involving 214 patients and 278 crowns.
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Thibault Colloc in his first blog for the Dental Elf looks at this review comparing gingival displacement with conventional cords and cordless techniques. The findings suggest that the sulcus width displacement is increased with cord technique compared to cordless technique but the available studies are all at high risk of bias.
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This review comparing whether implant supported crowns on short or standard implants have similar clinical outcomes in the posterior alveolar bone included 5 RCTs. the findings suggested no differences at one year but that shorter implants performed less well at 5 years.
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This review evaluating the presence or absence of a ferrule influences the failure rate in fibre-reinforced composite (FRC) post-and-core restorations included 4 studies. While the findings indicate no differences in failure rates between restoration with and with out a ferrule the quality of the evidence is low.
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This review of survival and technical complication rates of all-ceramic implant-supported single crowns included 41 mainly observational studies suggesting high survival rates for all-ceramic implant supported single crowns.
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This review to assess if surgical crown lengthening produces stable clinical outcomes only identified 5 small trials all at high risk of bias
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Only 9 small RCTs were included in this Cochrane review of metal-free materials for prosthodontic restorations providing insufficient evidence to support or refute the effectiveness of metal-free materials for fixed prosthodontic treatment over metal-ceramic or other type of standard restorations.
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This review of post-retained crowns on endodontically treated teeth included 9 RCTs. Findings suggest that that the number of remaining coronal walls and the use of posts are key factors for the success/ survival of these restorations. However the quality of the available evidence is low.
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5 studies at high risk of bias were included in this review of the success of restoration in posterior root filled teeth findings suggest that the more tooth remaining teh better the treatment outcome.
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This review of the effect of endodontic access on fracture resistance of all-ceramic crowns included 8 in-vitro studies providing some indication of potential factors that may impact on fracture resistance.
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