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  • Title: Piezoelectric ultrasonic bone surgery system in the extraction surgery of supernumerary teeth.
    Author: Gao Y, Lin Z, Rodella LF, Buffoli B, Wu X, Zhou Y.
    Journal: J Craniomaxillofac Surg; 2014 Dec; 42(8):1577-82. PubMed ID: 24942094.
    Abstract:
    INTRODUCTION: The anterior maxillary region is a common site for supernumerary teeth. The aim of this study was to compare the use of piezoelectric ultrasonic bone surgery for the extraction of supernumerary teeth and the use of traditional method using bone chisels. METHODS: 60 patients with supernumerary anterior maxillary teeth were considered in this study. They were randomly divided into two groups: 1) the control group, in which the supernumerary teeth were extracted using the traditional bone chisels method; 2) the experimental group, in which the supernumerary teeth were extracted using a piezoelectric ultrasonic bone surgery system. The operative time, amount of bleeding and post-operative pain were quantified and compared; in addition, the post-operative swelling was evaluated. RESULTS: We observed a significant decrease (P < 0.01) in the amount of bleeding and post-operative pain in the experimental group respect to the control group; but the operative time was significantly increased (P < 0.01) with the use of piezoelectric system. In addition, post-operative swelling resolved more quickly in the experimental group. CONCLUSION: Although the operative time for the extraction of the maxillary anterior supernumerary teeth was longer using the piezoelectric ultrasonic bone surgery system, the amount of bleeding and the post-operative complications were less, so this system could be considered an appropriate surgical method for the extraction of supernumerary teeth.
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