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Orthodontic debonding: methods, risks and future developments

From Volume 7, Issue 1, January 2014 | Pages 6-13

Authors

Samantha Brooke Stewart

BDS, MJDF

Orthodontic STR, Orthodontic Department, Musgrove Park Hospital, Taunton, UK

Articles by Samantha Brooke Stewart

Colin P Chambers

BDS, MFDS

Orthodontic STR, University of Bristol, Child Dental Health Department, Bristol, UK

Articles by Colin P Chambers

Jonathon R Sandy

BDS, MSc, PhD(Lond), MOrth RCS, FDS RCS, FDS RCSEd, FFD RCSI

Professor in Orthodontics, University of Bristol, Child Dental Health Department, Bristol, UK

Articles by Jonathon R Sandy

Bo Su

BSc, MEng, PhD, FIMMM

Professor in Biomedical Materials, University of Bristol, Oral and Dental Science, Bristol, UK

Articles by Bo Su

Anthony Ireland

BDS, MSc, PhD(Lond), MOrth RCS, FDS RCS

Professor of Orthodontics, School of Oral and Dental Sciences, University of Bristol, Bristol, UK

Articles by Anthony Ireland

Abstract

The ultimate aims for any clinician at orthodontic debond, following the attainment of a good occlusal result, are to remove all of the attachments, along with the bonding/banding material, as atraumatically as possible whilst minimizing the risks to the operator, assistant and patient during the whole process. This paper reviews the process of debonding following a course of orthodontic fixed appliance therapy, from bracket/band removal through to enamel clean-up. In particular, the risks to both the patient and operator are described at all stages. Future developments are discussed that might help reduce such risks.

Clinical Relevance: Returning the tooth, following orthodontic treatment, to its pretreatment condition is as important as the orthodontic treatment itself. The process of debonding is not without risk and it is vital that all clinicians are aware of these risks, but also what they can do to minimize them as much as possible.

Article

The ultimate aims for any clinician at orthodontic debond, following the attainment of a good occlusal result, are to remove all of the attachments, along with the bonding/banding material, as atraumatically as possible to minimize damage to the enamel surface, returning it to its pretreatment condition and, finally, to minimize the risks to the operator, assistant and patient during the whole process. Each of these aims will be discussed in turn, with an emphasis on the removal of ceramic brackets, where the risks are perhaps greatest and where future developments might help reduce such risks.

Unlike many other aspects of dentistry, where appliances are placed in the expectation that they will remain in place for perhaps 20 years or more, in orthodontics appliances need to remain in place for approximately two years, following which they should be easy to remove and the enamel should be returned to its pretreatment condition. This requires knowledge of the maximum force(s) the appliance is likely to be subjected to during treatment, from the patient, the operator and the appliance itself and, in addition, the minimum force necessary for its atraumatic removal at completion.

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