66
Participants
Start Date
June 20, 2016
Primary Completion Date
June 20, 2017
Study Completion Date
June 20, 2017
Ultrasonic cleaning
Ultrasonic cleaning (frequency 42kHz) (for 7 minutes 30 seconds) with cetylpyridinium chloride
Ultrasonic cleaning
Ultrasonic cleaning (frequency 42kHz) (for 7 minutes 30 seconds) with water
Conventional denture hygiene
Mechanical cleaning of denture with a soft toothbrush and liquid detergent
The University of Hong Kong
OTHER