22
Participants
Start Date
September 4, 2024
Primary Completion Date
December 20, 2024
Study Completion Date
December 30, 2024
SRP
SRP alone
Nd: YAG Laser Assisted SRP
the patients receive SRP combined with Nd: YAG laser
RECRUITING
The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou
Second Affiliated Hospital, School of Medicine, Zhejiang University
OTHER