In this blog Thibault Colloc looks at a review of comparing the effectiveness of contemporary root canal instrumentation compared with conventional stainless-steel instruments in terms of clinical and patient-related outcomes. The review includes 9 studies (6 RCTs and 3 retrospective clinical studies) and was one of a series designed to inform guidelines for the European Society of Endodontics.
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This Cochrane review of the effects of orthodontic interventions for preventing or correcting crowded teeth in children included 24 RCTs. A wide range of interventions were assessed typically is small single studies so the available evidence is of very low certainty.
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This Cochrane review of the effects of initial arch wires for the alignment of teeth with fixed orthodontic appliances includes 12 RCTs and updates a previous review. The review finds moderate quality evidence shows that archwires of coaxial superelastic nickel-titanium (NiTi) can produce greater tooth movement over 12 weeks than arch wires made of single-strand superelastic NiTi.
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4 RCTs were included in this review of Nickel- titanium closing springs (NiTi-CS) and elastomeric power chains (EPC). The findings suggest there is medium quality evidence that space closure is faster with NiTi-CS.
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