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Biomechanical Comparison of a New Technique of Mandibular Angle Fractures: Biplanar and Bicortical Superior Proximal 3 Holes and Bicortical Inferior Plate Fixation

Turgut, Gürsel MD; Kayah, Mahmut Ulvi MD; Soydan, Ali Tufan MD; Gündüz, Oğuzhan; Salman, Serdar PhD; Oktar, Faik PhD; Baş, Lütfü MD

Journal of Craniofacial Surgery: March 2008 - Volume 19 - Issue 2 - p 428-432
doi: 10.1097/SCS.0b013e318165807b
Clinical Notes

Miniplates have been used for mandibular angle fractures during the past 2 decades. The technique of placing single miniplate at the upper border based on the tension lines of the fracture was proposed by Michelet and Champy. The need for a second miniplate to be applied to the lower mandible has been discussed recently. Biomechanical comparison of biplanar and monoplanar dual-miniplate fixation techniques was investigated by Haug. Our hypothesis is in dual-miniplate fixation; the proximal 3 holes of superior border miniplate could be fixated by bicortical screws. The first 2 are at the proximal bone segment and are not related to the tooth and also superior to the alveolar nerve. Generally, the third molar tooth is extracted because it is at the fracture site. Hence, the proximal third hole could also be fixated by bicortical screws. We define a biplanar dual-miniplate technique in which the lower plate and the proximal 3 holes of the upper plate are fixated by bicortical screws. We have designed a study for biomechanical comparison of our method and popular types of mandibular fixation methods.

From the *Plastic Reconstructive and Aesthetic Surgery Department, Şişli Etfal Training and Research Hospital; †Marmara University, Technical Education Faculty; and ‡Department of Plastic Reconstructive and Aesthetic Surgery, Şişli Etfal Training and Research Hospital, Istanbul, Turkey.

Address correspondence and reprint requests to Ali Tufan Soydan, MD, Büyükdere St, Plastic Reconstructive and Aesthetic Surgery Department, S.B. Şişli Etfal Training and Research Hospital, Şişli, İstanbul, Turkey; E-mail: drtufansoydan@gmail.com

© 2008 by Mutaz B. Habal, MD.