60
Participants
Start Date
March 10, 2022
Primary Completion Date
March 2, 2023
Study Completion Date
December 31, 2032
different methods for maxillary sinus floor elevation
a: 0\~3mm+ground into pieces; b: 0\~3mm+replace the bone; c: 0\~3mm+turn inward to hold up the membrane; d: 3\~5mm+ground into pieces; e: 3\~5mm+replace the bone; f: 3\~5mm+turn inward to hold up the membrane
RECRUITING
The Affiliated Hospital of Stomatology, Zhejiang University School of Medicine, Hangzhou
The Dental Hospital of Zhejiang University School of Medicine
OTHER