Article: Volume 13 Number 1 Page 25 - January 2020

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  Orth Update 2020; 13: 25-29

Orthodontics:  First Premolar Ankylosis

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Abstract: A case is described of a 13-year-old boy who presented with infra-occluded primary molars in three quadrants. Creation of space allowed the second premolars in two quadrants to erupt spontaneously. The first premolar in the remaining quadrant did not erupt spontaneously, failing to reach occlusal contact despite orthodontic traction.

Clinical relevance: This case demonstrates apparent intermittent ankylosis of a maxillary first premolar.

Author notes: Graham Oliver, BDS, MFDS, SHO Oral and Maxillofacial Surgery, Heather Nevard, BDS, AKC, FDS RCS(Eng), MSc, MOrth, Specialist in Community Orthodontics, Mary McKnight, BDS, DOrth, MSc, MOrth FDS, Consultant Orthodontist, John Radcliffe Hospital, Headley Way, Headington, Oxford OX3 9DU, UK.

Objective: To demonstrate ankylosis of a maxillary first premolar.