Maxillary canine impactions are of multifactorial etiology.The incidence of maxillary canine impaction ranges from 1% to 4%. One of the reasons for canine impaction might be a deviated premolar root. This report describes surgical-orthodontic extrusion of an upper canine that occurred only after the endodontic surgery treatment of the adjacent deviated premolar root. Orthograde endodontic treatment followed by endodontic surgery with retrograde filling of the deviated premolar root was performed to obtain a surgicalorthodontic extrusion of the upper canine. A female patient, aged 15 years, with a class I molar relationship was referred to continue the orthodontic therapy. Although a correct surgical-orthodontic extrusion with adequate anchorage was carried out, the maxillary left canine had not erupted. Radiographic examination showed a deviated palatal root of the adjacent maxillary first premolar in the canine eruption path. Root canal filling followed by endodontic surgery of the first premolar deviated root has led to rapid progression of the canine and its placement in the arch in just 3 months. A multidisciplinary management involving endodontic treatment, endodontic surgery, and surgical-orthodontic extrusion could be considered a successful approach in the maxillary impacted canine cases in which adjacent premolar root is deviated. Long-term radiographic follow-up (6 years) indicated stable periodontal health of the canine and premolar without the presence of root resorption.

Endodontic Surgery of a Deviated Premolar Root in the Surgical Orthodontic Management of an Impacted Maxillary Canine

PEDULLA', EUGENIO;
2015

Abstract

Maxillary canine impactions are of multifactorial etiology.The incidence of maxillary canine impaction ranges from 1% to 4%. One of the reasons for canine impaction might be a deviated premolar root. This report describes surgical-orthodontic extrusion of an upper canine that occurred only after the endodontic surgery treatment of the adjacent deviated premolar root. Orthograde endodontic treatment followed by endodontic surgery with retrograde filling of the deviated premolar root was performed to obtain a surgicalorthodontic extrusion of the upper canine. A female patient, aged 15 years, with a class I molar relationship was referred to continue the orthodontic therapy. Although a correct surgical-orthodontic extrusion with adequate anchorage was carried out, the maxillary left canine had not erupted. Radiographic examination showed a deviated palatal root of the adjacent maxillary first premolar in the canine eruption path. Root canal filling followed by endodontic surgery of the first premolar deviated root has led to rapid progression of the canine and its placement in the arch in just 3 months. A multidisciplinary management involving endodontic treatment, endodontic surgery, and surgical-orthodontic extrusion could be considered a successful approach in the maxillary impacted canine cases in which adjacent premolar root is deviated. Long-term radiographic follow-up (6 years) indicated stable periodontal health of the canine and premolar without the presence of root resorption.
Deviated palatal premolar root; endodontic surgery; impacted canine
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/20.500.11769/255187
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