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Article: Volume 15 Number 2 Page 59 - April 2022

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  Orthodontic Update 58: 59-64

Orthodontics:  Lateral Incisor Root Resorption: A Consequence of Ectopic Maxillary Canine Teeth

CPD:  CPD  1:20   (closes in 55 days)

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Abstract: Root resorption of permanent teeth is a recognized complication of ectopic maxillary permanent canines. This type of resorption is sometimes missed and can be diagnosed at the late presentation stage. Treatment of external resorption is complex and can require extraction of the affected tooth. This review provides an insight into the current evidence and guidance related to the interceptive treatment of displaced permanent maxillary canines to minimize the risk of resorption of adjacent teeth. Supported by two clinical cases, it looks into treatment options and long-term management of lateral incisors with external root resorption of varying severities.

Clinical relevance: Primary care practitioners are best placed to recognize displaced maxillary permanent canines in a timely manner, and so, root resorption of adjacent teeth may be prevented.

Author notes: Jessica Cooper, BDS, MFDS, DCT1 in Paediatric Dentistry, Orthodontics and Oral Surgery, University Dental Hospital Manchester. Madeleine Storey, BDS(Hons), MFDS (Ed), MSc, MOrth, FDS (Orth) RCS Ed, Consultant in Orthodontics, University Dental Hospital Manchester. Vidya Srinivasan, BDS, FDS RCS Ed, MPaedDent RCSEng, FDS (Paed Dent), RCS Ed, Dip Con Sed, Consultant in Paediatric Dentistry, University Dental Hospital Manchester. Email:

Objective: The reader should understand that appropriate referral, timely interceptive management and interdisciplinary dynamics facilitate optimum outcomes in the management of ectopic maxillary permanent canine teeth.

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