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Ultrasonic Pinhole Instruments for Pin Bridge System
Nihon Hotetsu Shika Gakkai Zasshi
It is clearly inevitable to make precise holes in the proximal surfaces of the abutment teeth to get a highly stable clinical outcome with the recently described exciting dental rehabilitation method, e.g., Pin Bridge System (Yamashita et al., 1996). However, using a conventional preparation pin instrument, sometimes chipping of the enamel and/or the instrument bar breakage has been experienced. This article describes a newly-developed pin-hole drilling instrument using ultrasonic vibration.doi:10.2186/jjps.42.750 fatcat:6wgn2s6tyvfcpcexghlidx4n2a