Article: Volume 45 Number 8 Page 698 - September 2018

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  Dent Update 2018; 45: 698-710

Restorative dentistry:  An Update on Discoloured Teeth and Bleaching Part 2: Mechanism of Action of Bleaching Agents and Management of Discoloured Teeth

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Abstract: The term ‘discoloured teeth’ describes a very broad array of clinical manifestations which can result from an equally broad list of aetiologies. The ability to assess and diagnose the cause accurately allows clinicians to prescribe and execute the appropriate treatment modality and avoid disappointing outcomes and potential overtreatment. This article aims to provide an overview of the current legislation related to dental bleaching, the mechanism of action of bleaching agents and an update regarding the techniques which are at practitioners’ disposal for managing different clinical challenges. The potential risks and complications related to bleaching are presented.

Clinical relevance: A sound understanding of the different bleaching materials and techniques available and their appropriate application are essential in helping clinicians to provide appropriate, safe and effective treatment modalities.

Author notes: Raj Dubal, BDS, MFDS RCS, MClinDent Pros, MRD RCS, FDS RCS, PGCert Dent Ed, Specialty Trainee in Restorative Dentistry and Richard WJ Porter, BDS, BSc, MFDS RCS, FDS(Rest Dent) RCS, Consultant in Restorative Dentistry, St George’s Hospital, Tooting, London, SW17 0QT, UK.

Objective: To provide an update of the current legislation related to dental bleaching, the mechanism of action of carbamide peroxide-based agents and the various technical aspects of managing discoloured teeth.


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