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Article: Volume 15 Number 2 Page 97 - April 2022

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  Orthodontic Update 58: 97-104

Orthodontics:  Coronal Resorption in Unerupted Anterior Permanent Teeth: Cases with Different Aetiologies? A Review

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Abstract: Two case reports are described along with differential diagnoses and management strategies from the literature for teeth discovered with intra-coronal resorption prior to their eruption. Our cases feature impacted maxillary anterior teeth. In both instances, significant coronal resorption presented itself mid-way through fixed appliance treatment, prior to full eruption of the involved teeth. This was detected radiographically and not through patient-reported symptoms. Once sufficiently erupted, root canal therapy was carried out in both cases and orthodontic treatment was successfully completed.

Clinical relevance: Orthodontists are often first to identify pathological lesions in unerupted teeth and should be equipped with differential diagnoses in order to manage and refer patients appropriately.

Author notes: Meeral Makwana, BDS (Hons), MFDS, MSc (Dist), MClinDent, MOrth RCS(Ed), Post-CCST, Royal Derby Hospital. Alison Murray, BDS, MSc, DOrth, MOrth, FDS, Consultant Orthodontist, Royal Derby Hospital. Email:

Objective: The reader should be able to understand various aetiologies and offer differential diagnoses of coronal radiolucencies discovered in unerupted permanent teeth, and have an appreciation of the different treatment strategies for these lesions in the orthodontic patient.

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