Unusual extrinsic staining following microabrasion in a girl with amelogenesis imperfecta
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Developmental defects of enamel (DDE), such as amelogenesis imperfecta (AI), may present with tooth discolouration that is of aesthetic concern to the affected individual. Children and young people with DDE may therefore seek dental interventions to improve their dental appearance. The most commonly employed approaches include microabrasion, bleaching and/or placement of composite resin veneers.
A 13-year-old girl with hypomature AI requested treatment for the ‘marks’ on her teeth which were having a negative impact on her social interactions. Clinical examination revealed generalised dense white opacities, and a microabrasion approach was performed on 11, 12 and 13 using a commercial preparation of 6.6 % hydrochloric acid. Concerningly, the girl’s father phoned the next day reporting that his daughter’s teeth had turned ‘orange’. An urgent review revealed that the treated teeth had indeed become an orange colour. Further enquiry found that the patient had eaten a tomato pizza immediately after her dental treatment and this was believed to have caused the severe extrinsic staining. The patient was provided with a 16 % carbamide peroxide preparation for night-time use in a laboratory-made tray. A 2-week review revealed complete resolution of the staining.
Direct composite resin restorations were subsequently provided for the girl’s maxillary anterior teeth to achieve an optimal cosmetic result and she has remained pleased with her dental appearance.
Clinicians should be aware of the potential for extrinsic staining following microabrasion or tooth bleaching. Patients should be advised against consuming coloured food and drink for at least 48 h after their treatment.
KeywordsMicroabrasion Amelogenesis imperfecta Extrinsic staining
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