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  • Title: Critical Analysis of Piezoelectric Surgery with Oscillating Saw in Bimaxillary Orthognathic Surgery.
    Author: Akbar Z, Saleem H, Ahmed W.
    Journal: J Coll Physicians Surg Pak; 2017 Jun; 27(6):348-351. PubMed ID: 28689523.
    Abstract:
    OBJECTIVE: To compare the piezosurgery with conventional saw for osteotomy in orthognathic bimaxillary surgery. STUDY DESIGN: Comparative study. PLACE AND DURATION OF STUDY: The Armed Forces Institute of Dentistry, Rawalpindi, Pakistan, from January 2012 to July 2015. METHODOLOGY: Twenty-four patients, regardless of gender, were selected for bimaxillary surgery. Each underwent osteotomy with conventional saw and piezosurgery equipment. Intraoperative and postoperative parameters, like blood loss during operation, time required for surgery, postoperative swelling, nerve function, incision and surgical precisons, were evaluated. RESULTS: Out of total 96 osteotomies, 48 (50%) maxillary and 48 (50%) mandibular osteotomies were performed. Time required for piezosurgery was more (63 minutes) as compared to saw (p=0.003). Other parameters, like intraoperative blood loss (p=0.091), postoperative swelling (p=0.041), and nerve damage (p=0.009), were far less frequent with piezosurgery than frequent with saw procedures. CONCLUSION: Piezosurgery is a favourable alternative technique as compared to saw technique in bimaxillary orthognathic surgeries.
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