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Ultrasonic dental drill

Dear List,

Has anyone know of existing acoustic data on these obnoxious tooth cleaning
devices? I tried to get data on the web on ultrasonic dental
drills/cleaning devices and got nowhere. I would like to have a frequency
response curve and a dB reading at some point (preferably in the ear canal
of the patient or the technician/dentist).

Thank you,

Pierre Divenyi

Pierre Divenyi, Ph.D.      Speech and Hearing Research (151)
                                     V.A. Medical Center, Martinez, CA
94553, USA
Phone: (925) 370-6745
Fax:     (925) 228-5738
E-mail :                       pdivenyi@marva4.ebire.org