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References

Peck L, Peck S, Attia Y Maxillary canine - first premolar transposition associated with dental anomalies and genetic basis. Angle Orthod. 1993; 63:99-109
Ely NJ, Sherriff M, Cobourne T Dental transposition as a disorder of genetic origin. Eur J Orthod. 2006; 28:145-151
Shapira Y, Kuftinec MM Maxillary tooth transpositions: characteristic features and accompanying dental anomalies. Am J Orthod Dentofacial Orthop. 2001; 119:127-134
Peck S, Peck L Classification of maxillary tooth transpositions. Am J Orthod Dentofacial Orthop. 1995; 10:505-517
Kassab MM, Cohen RE The etiology and prevalence of gingival recession. J Am Dent Assoc. 2003; 134:220-225
Babacan H, Kilic B, Bicakci A Maxillary canine - first premolar transposition in the permanent dentition. Angle Orthod. 2008; 78:954-960
McGuire MK, Scheyer ET, Nunn M Evaluation of human recession defects treated with coronally advanced flaps and either enamel matrix derivative or connective tissue: comparison of clinical parameters at 10 years. J Periodontol. 2012; 83:1353-1362
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Lyngstadaas SP, Lundberg E, Ekdahl H, Andersson C, Gestrelius S Autocrine growth factors in human periodontal ligament cells cultured on enamel matrix derivative. J Clin Periodontol. 2001; 28:(2)181-188

Orthodontic and periodontal management of canine-premolar transposition in the maxilla complicated by recession

From Volume 8, Issue 3, July 2015 | Pages 101-106

Authors

Mary E O'Keeffe

BDentSc, MFDS

SHO in Oral and Maxillofacial Surgery at Alder Hey Children's Hospital, Liverpool

Articles by Mary E O'Keeffe

Con D O'Keeffe

BDS, MMedSc, DOrth RCS, MSc Ling Orth

Fairmount House, John's Hill, Waterford, Ireland

Articles by Con D O'Keeffe

Abstract

Tooth transposition is the positional interchange of two adjacent teeth or the development or eruption of a tooth in a position occupied normally by a non-adjacent tooth. It has a reported incidence of 0.4% of the population and is more common in females. Canine–premolar transposition is the most common presentation, occurring more frequently in the maxilla.2 A 17-year-old female presented with an unerupted left maxillary canine in complete transposition with the maxillary left first premolar. Orthodontic treatment to correct the malocclusion and the transposition was complicated by gingival recession, which in turn was treated with corrective periodontal surgery.

Clinical Relevance: This case report demonstrates the risk of localized gingival recession in the orthodontic management of canine–premolar transposition cases, even when opting for a less hazardous treatment plan. Most importantly, it highlights the importance of an interdisciplinary approach to patient care.

Article

Tooth transposition is the positional interchange of two adjacent teeth or the development or eruption of a tooth in a position occupied normally by a non-adjacent tooth.1 The aetiology is complex, with both genetic and environmental factors playing a role.2 Tooth transposition, which is considered to be a sub-division of ectopic eruption, can be either complete or incomplete. Complete transposition is where the crown and the root are transposed, whereas incomplete transposition refers to where the crown is transposed but not the root apex.3 It occurs in 1 in 300 orthodontic patients or 0.4% of the population. It is more common in females and canine –premolar transposition is the most common presentation. Transposition occurs more frequently in the maxilla, usually unilaterally and on the left side.4

Gingival recession is defined as the apical migration of the junctional epithelium with exposure of the root surface.5 It presents both aesthetic and functional problems that may require treatment and can arise as a complication during or after orthodontic treatment.

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