408
Participants
Start Date
September 1, 2019
Primary Completion Date
June 30, 2020
Study Completion Date
December 31, 2020
Bleeding on brushing
Index tests are bleeding on brushing and aMMP-8 Gold standard: clinical diagnosis performed by specialist
Prince Philip Dental Hospital, the Univerisity of Hong Kong, Hong Kong
The University of Hong Kong
OTHER
The European Research Group on Periodontology (ERGOPerio)
NETWORK