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References

Dalessandri D, Parrini S, Rubiano R, Gallone D, Migliorati M. Impacted and transmigrant mandibular canines incidence, aetiology, and treatment: a systematic review. Eur J Orthod. 2017; 39:161-169
Mupparapu M. Patterns of intra-osseous transmigration and ectopic eruption of mandibular canines: review of literature and report of nine additional cases. Dentomaxillofac Radiol. 2002; 31:355-360
Manne R, Gandikota C, Juvvadi SR, Rama HRMR, Anche S. Impacted canines: etiology, diagnosis, and orthodontic management. J Pharm Bioallied Sci. 2012; 4:234-238
Rodríguez SAA, Rodríguez SDM, Hatem GR, Fernández OH. Surgical approach of transmigrated mandibular canine preserving midline of the mandibular symphysis: report of a case. J Dent Maxillofacial Res. 2018; 1:53-55
Bhullar MK, Aggarwal I, Verma R, Uppal AS. Mandibular canine transmigration: report of three cases and literature review. J Int Soc Prev Community Dent. 2017; 7:8-14

Technique Tips: Surgical Extraction of a Transmigrant Mandibular Canine: Description of a Minimally Invasive Technique

From Volume 47, Issue 4, April 2020 | Pages 376-377

Authors

Jenny Girdler

MChD/BChD BSc, MFDS RCS (Ed), PGDip Prim Dent Care, PGCert Clin Teach

DCT in Oral and Maxillofacial Surgery Aintree University Hospital, Liverpool

Articles by Jenny Girdler

Valerie Ornsby

BDS, FDS RCSEng

Associate Specialist in Oral and Maxillofacial Surgery and Specialist in Oral Surgery

Articles by Valerie Ornsby

Stephen Chadwick

BDS, FDS RCS, MSc, MOrth RCS, MA, FDS(Orth) RCS, FDS(Orth) RCPS

Consultant Orthodontist, Department of Oral and Maxillofacial Surgery, Countess of Chester Hospital, Liverpool Road, Chester, CH2 1UL, UK

Articles by Stephen Chadwick

Article

A minimally invasive technique is described for the surgical removal of an unusual oral surgery challenge: the impacted, transmigrant mandibular canine. The technique involves removing the bone around the crown of the impacted tooth. Traction holes and multiple axial sections are performed to deliver the canine. Conservative surgery is possible through a minimal access bony window, preserving bone in the mental region and reducing the risk of damage to adjacent teeth. Impacted mandibular canines are uncommon, with incidence ranges between 0.92%–5.1%.1 Transmigration is a rare anomaly in which an unerupted tooth crosses the midline by more than 50%.2 Mandibular canine transmigration has an incidence range from 0.1–0.31%.1

Treatment strategies for transmigrated mandibular canines include radiographic monitoring, autotransplantation, exposure, orthodontic alignment and surgical extraction. The most common treatment is extraction, with reported complications including trismus, inflammation, pain, haematoma and bony defects.3

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