166
Participants
Start Date
November 1, 2018
Primary Completion Date
June 1, 2021
Study Completion Date
June 1, 2021
Advanced oral hygiene care programme
"1. Brush teeth with standardized power tooth brush twice a day.~2. Rinse mouth with chlorhexidine twice a day.~3. Oral hygiene education"
Oral hygiene instruction
Oral hygiene education
The Second People's Hospital of Hefei, Hefei
Anhui Medical University
OTHER