Orthodontic bonding – failure rates with different techniques

shutterstock_81157801-orthodontic appliance

This review of the failure rates of different orthodontic bonding materials included 80 studies with 34 contributing to the quantitative component. The findings suggest little difference between the self-etch primer and conventional acid-etch primer and a poorer performance for glass ionomer compared with self-cure resin. However the findings should be interpreted cautiously because of the low certainty of the available evidence.

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Orthodontic bonding: Direct or indirect?

iStock_000002259334XSmall braces on teeth

This review of direct and indirect bonding techniques for orthodontic backet placement included 8 small RCTs of limited quality suggesting no significant difference in bracket placement accuracy, oral hygiene status and bond failure rate.

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Orthodontic bracket systems: Is adhesive precoating better than operator coated?

shutterstock_81157801-orthodontic appliance

This review assessing whether adhesive precoated orthodontic brackets are more efficient than operator-coated brackets included 5 RCTs find no differences in failure rate between the two systems.

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Adhesively bonded amalgams – insufficient evidence of better performance


This Cochrane review update only identified 1 RCT assessing the difference in survival between bonded and non-bonded amalgam restorations providing insufficient evidence to support or refute a difference.

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Orthodontic bonding: trial suggests primer not needed


This trial of the effects of primer on the bracket failure rate in orthodontic patients involved 49 patients, using a cross-mouth design; and found fewer bonding failures in the non-primer group 5.5%, compared with 3.1% in primer setting and adjusted odd ratio of 1.89 (95% CI 0.97–3.68).

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Dental bond strength improves with enamel etching


This review of 10 in-vitro studies suggests that bond strength is improved by the use of multi-mode adhesives with prior acid etching only for enamel. This improvement was not seen with mild universal adhesives in dentine.

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Direct anterior restorations have good survival rates


This review of direct anterior restorative materials included 21 studies and covered a wide range of materials and adhesive systems. Overall the failure rates were low for both class III and class IV restorations.

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Critical summaries from the American Dental Association-Center for Evidence-based Dentistry-Jan 2013


A number of new critical summaries have been made available on the ADE-EBD website of the past few weeks. The first is an appraisal of a 2010 review by Martínez-Maestre et al. that looked at the association between dental bone loss and systemic osteoporosis.  The reviewer highlighted that this was a weak review of observational [read the full story…]

Which bonding system for the placing of zircona ceramic resin-bonded fixed partial dentures?


The efficacy of modern adhesive dental materials relies to a great extent on the quality of the bonding systems. Questions have been raised about the efficacy of bonding agents when used with zircona. The aim of this trial was to compare two different bonding systems for the placing of zircona ceramic resin-bonded fixed partial dentures [read the full story…]