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Article: Volume 48 Number 4 Page 289 - April 2021

  Dent Update 2021; 48: 289-293  Read article

Dental Trauma:  Decoronation of ankylosed teeth: an overview

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Abstract: Severe traumatic dental injuries to permanent incisor teeth often result in replacement resorption following significant damage to the periodontal ligament. This leads to ankylosis and subsequent infra-occlusion of the traumatized tooth in a growing paediatric patient. Extraction of these teeth can lead to vertical bony defects that complicate restorative management of the edentulous space. Decoronation is a technique employed to preserve bone in the alveolar crest in an attempt to reduce these defects.

Clinical relevance: This paper aims to remind readers of the processes of replacement resorption and ankylosis and introduces the use of decoronation for such teeth.

Author notes: Jennifer A Lawson, BA, BDentSc, MFDS, MClin Dent, MPaed Dent, Paediatric Specialty Registrar, Sheffield Teaching Hospitals Trust. Ann Wallace, BDS, MFDS, MClinDent, MPaedDent, Specialty Doctor, Sheffield Teaching Hospitals Trust. Halla Zaitoun, BDS, MFDS, MDentSci, FRCS(Paed),Consultant in Paediatric Dentistry, Sheffield Teaching Hospitals Trust email: jennifer.lawson7@nhs.net

Objective: The reader should understand the indications for decoronation, and its benefit when treating paediatric patients.

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