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Article: Volume 47 Number 9 Page 714 - October 2020

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  Dent Update 2020; 47: 714-718

Oral surgery:  Coronectomy: not just for Wisdom Teeth

CPD:  CPD  0:24   (closes in 53 days)

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Abstract: Coronectomy is most commonly associated with the management of impacted lower third molars where complete removal poses a high risk of inferior alveolar nerve damage. However, coronectomy may be indicated for the management of other teeth with a significant risk of morbidity. A case of a LL6 extended coronectomy is presented. The aim was to prevent inferior alveolar nerve damage, and ensure adequate crown and root removal to facilitate orthodontic alignment of the teeth. Surgery was aided by cone beam CT, and a piezo-surgical technique.

Clinical relevance: This case demonstrates the novel application of a coronectomy to manage an infra-occluded lower left first molar, facilitating orthodontic treatment, where complete removal posed a high risk of inferior alveolar nerve damage.

Author notes: Brandon Owen, BDS, MFDS, DCT1, Oral and Maxillofacial Surgery (email: brandonlukeowen@gmail.com), Graham Oliver, BDS, DClinDent, MFDS, MOrth, Orthodontic Specialty Registrar, Lucy Macey-Dare, BDS, FDS RCS, FDS(Orth) RCS, MSc, MOrth RCS, Consultant Orthodontist and Gregor Knepil, BDS, MFDS, MBChB, MRCS, FRCS, Consultant Oral and Maxillofacial Surgeon, Gloucestershire Hospitals NHS Foundation Trust, Department of Oral and Maxillofacial Surgery, Gloucestershire Royal Hospital, Great Western Road, Gloucester GL1 3NN, UK.

Objective: To present a novel case of coronectomy to an infra-occluded lower left first molar coronectomy to avoid inferior alveolar nerve damage, and facilitate orthodontic treatment.