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Efficacy of laser Doppler flowmetry in determining pulp vitality of human teeth

A R Ingólfsson, L Tronstad, E V Hersh, C E Riva
The aim of this study was to examine if laser Doppler flowmetry (LDF) could aid in distinguishing teeth with necrotic pulps from vital teeth and if so, which configuration of 5 experimental probes would give the best results. Each probe had 3 fibers arranged in a triangle. One fiber carried the laser light to the pulp tissue and 2 fibers carried the back-scattered light to the detector giving the output signal. The distance between the 3 fibers in the triangular arrangement in each probe was 250, 500, 800, 1000, and 1500 microns...
April 1994: Endodontics & Dental Traumatology
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