J Korean Assoc Oral Maxillofac Surg 2018; 44(6): 251~258
Corticotomy for orthodontic tooth movement
Won Lee
Department of Dentistry, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
Won Lee
Dental Clinic, The Catholic University of Korea, Uijeongbu St. Mary’s Hospital, 271 Cheonbo-ro, Uijeongbu 11765, Korea
TEL: +82-31-820-3574 FAX: +82-31-847-2894
E-mail: cmfs21@catholic.ac.kr
ORCID: https://orcid.org/0000-0002-6383-8754
Received November 21, 2018; Revised November 29, 2018; Accepted November 29, 2018.; Published online December 31, 2018.
© Korean Association of Oral and Maxillofacial Surgeons. All rights reserved.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Corticotomy was introduced as a surgical procedure to shorten orthodontic treatment time. Corticotomy removes the cortical bone that strongly resists orthodontic force in the jaw and keeps the marrow bone to maintain blood circulation and continuity of bone tissues to reduce risk of necrosis and facilitate tooth movement. In the 21st century, the concept of regional acceleratory phenomenon was introduced and the development of the skeletal anchorage system using screw and plate enabled application of orthopedic force beyond conventional orthodontic force, so corticotomy has been applied to more cases. Also, various modified methods of minimally invasive techniques have been introduced to reduce the patient’s discomfort due to surgical intervention and complications after surgery. We will review the history of corticotomy, its mechanism of action, and various modified procedures and indications.
Keywords: Corticotomy, Orthodontic tooth movement, Regional acceleratory phenomenon

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