40
Participants
Start Date
April 7, 2024
Primary Completion Date
April 30, 2025
Study Completion Date
December 31, 2025
Transalveolar crest maxillary sinus floor lift
Transalveolar crest maxillary sinus floor lift + bone grafting + implant implant is used
transalveolar crest parietal maxillary sinus floor secondary lift
Transalveolar crest parietal maxillary sinus floor secondary lift + bone grafting + implant implantation were used body
RECRUITING
NanFang Hospital of Sourthern Medical University, Guangzhou
Nanfang Hospital, Southern Medical University
OTHER