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A case of an unusual anomaly in a maxillary canine is described. A deep enamel invagination resulted in pulpal necrosis, longstanding infection and development of an associated radicular cyst. Diagnostic X-ray imaging was invaluable in demonstrating the complex root anatomy of the dilated odontome. In particular, a cone beam CT scan helped in the formulation of an appropriate treatment plan. Clinical Relevance: Three-dimensional imaging using cone beam CT was valuable in this case to demonstrate the complicated anatomy of a rare dental anomaly, and to help plan treatment.

##Background Molar incisor hypomineralisation (MIH) is a well-known and prevalent qualitative enamel defect, which can carry a heavy treatment burden for many patients. Early identification of MIH is paramount in order to instigate preventive regimes and potentially spare children from the restorative cycle many endure. Once enamel breakdown occurs management is challenging, as all cases present different individual considerations, from behaviour management issues to restorative decisions. The aim of this article was to review the recent literature on MIH in order to give the reader an update on contemporary management options for MIH-affected molars and incisors, and their evidence base. ##Conclusion Effective management can be very difficult for the clinician and there are limited treatment guidelines available. The individual needs of the patient will often dictate the most appropriate management and therefore clinicians need to be aware of all available options.

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Introduction: The aim of this teaching review was to obtain feedback from graduates of the Orthodontic Therapy course from the School of Dental Science, Trinity College Dublin, which was established in 2014. Materials and Methods: A focus group, comprising of one to two graduates from each of the five years of the orthodontic therapy course, convened to obtain feedback. Thematic analysis was used to analyse the feedback transcribed from the focus group. Results: Multiple themes emerged including enthusiasm, commitment, educational support, peer support and satisfaction. The graduates found the course challenging but very rewarding, helped by support from the university, mentors and peers. Satisfaction was very high from all participants with 100% reporting they would recommend the course. Suggestions emerged regarding the delivery of specific didactic components of the course and increased engagement with the specialist orthodontic mentors to ensure teaching is standardised for all trainees. Conclusion: The course is rated very highly by the graduates and completion of this training has had a positive impact on their job satisfaction. Members of the focus group provided constructive feedback on the delivery of the course, which will contribute to its refinement for future trainees.