thirty-two implants will be inserted in patients seeking implantation of their lost posterior maxillary teeth (premolar and molars) with limited bone height below the floor of the maxillary sinus, secondary to sinus pneumatization. The patients will be selected from those attending the outpatient clinic of the Oral \& Maxillofacial Surgery Department, Faculty of Dentistry, Mansoura University.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
32
sinus floor elevation with placing allograft and collagen membrane
sinus floor elevation with placing extended-PRF
Mansoura University
Al Mansurah, Egypt
1. implant stability
the stability of the implants will be evaluated by RFA with the Osstell Mentor device.
Time frame: 12 months
2. Vertical bone height
vertical bone height will be measured as the distance from the alveolar crest to the new sinus floor at the middle of the implant
Time frame: 24 Months
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