72
Participants
Start Date
January 1, 2019
Primary Completion Date
January 1, 2020
Study Completion Date
April 1, 2020
brushing force
Using duplication method, vertical force was applied from 1-5.5 N in linear mesial-distal brushing motion at 4 strokes per second for 5 seconds Force was increase 0.5 N in every testing until plaque was completely removed from enamel surface
Faculty of Dentistry, Ratchathewi
Mahidol University
OTHER