Modified Orthodontic Bone Stretching for Ankylosed Tooth Repositioning: A Case Report.

  • Stacchi C
  • Barlone L
  • Rapani A
  • et al.
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Abstract

Background:Different approaches were proposed in the literature for the treatment of malpositioned ankylosed teeth. The present case report describes a modification of Orthodontic Bone Stretching Technique (OBS) for the repositioning of ankylosed teeth, consisting of dentoalveolar segmental osteotomies performed with piezoelectric instruments followed by orthodontic and orthopedic traction.Case Report:A 22-year-old female in good general health was referred by her orthodontist due to an infraoccluded and ankylosed maxillary upper left canine. Attempts of conventional and corticotomy-assisted orthodontic alignment of the tooth were previously performed with no success. After elevating a full-thickness flap, three osteotomies were performed by using piezoelectric inserts (Piezotome Cube, Acteon, Merignac, France). Mesial and distal cuts were full-thickness osteotomies, parallel to the long axis of the tooth, through the buccal and palatal cortical plates. The apical osseous incision was a horizontal corticotomy, involving only the buccal plate, and connecting the vertical osteotomies two millimetres over the apex of the tooth. Heavy orthodontic forces were immediately applied by using both dental and skeletal anchorage. The initial movement of the dentoalveolar segment was observed three weeks after surgery and case finishing has been completed in two months. At a one-year follow-up, the repositioned canine showed good periodontal conditions, no discoloration and positive pulp response to the electric test.Conclusion:Modified OBS technique was effective in repositioning an infraoccluded and ankylosed maxillary canine, providing satisfactory function and esthetics with short treatment time. PU - BENTHAM SCIENCE PUBL LTD PI - SHARJAH PA - EXECUTIVE STE Y-2, PO BOX 7917, SAIF ZONE, 1200 BR SHARJAH, U ARAB EMIRATES

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APA

Stacchi, C., Barlone, L., Rapani, A., Berton, F., Contardo, L., & Di Lenarda, R. (2020). Modified Orthodontic Bone Stretching for Ankylosed Tooth Repositioning: A Case Report. The Open Dentistry Journal, 14(1), 235–239. https://doi.org/10.2174/1874210602014010235

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