By Elio Berutti, MD, DDS,* Mario Alovisi, DDS,* Michele Angelo Pastorelli, MS, PhD,†
Giorgio Chiandussi, MS, PhD,‡ Nicola Scotti, DDS,* and Damiano Pasqualini, DDS*

From the *Department of Surgical Sciences, University of Turin, Dental School, Endodontics, Turin, Italy; and Departments of †Electrical Engineering and ‡Mechanics, Politecnico di Torino, Turin, Italy.
Address requests for reprints to Dr Damiano Pasqualini, via Nizza, 230–10126 Torino, Italy. E-mail address:

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