About this trial
Through randomized controlled trials, investigators will recruit participants who need maxillary sinus floor elevation with different residual bone height, and utilize the maxillary sinus buccal bony window during the surgery. Then investigators will gather the related information of participants, collect and analyze their CBCT data, in order to help surgeons select the best operating method for different patients.
Eligibility criteria
Qualifiers
A single maxillary posterior tooth was missing, and the missing time was ≥ 3 months
Gingival distance ≥ 4mm
Residual bone height ≤ 5mm and residual bone width ≥ 6mm
Good systemic health
Disqualifiers
Untreated diabetes or other serious systemic diseases
Untreated periodontal disease
Uncontrolled periapical lesions of adjacent teeth
Certain bone diseases such as osteoporosis and osteosclerosis
Trial design
Treatments tested in this trial
- different methods for maxillary sinus floor elevation
Treatment groups
6
Treatment groupsSee each treatment group below.