28 recruited patients indicated for sinus floor elevation with simultaneous implant placement . they were divided into two groups. first group was assigned for placement of deproteinized bovine bone solely, while the other group was assigned for the placement of mixture of injectable platelet rich fibrin with deproteinized bovine bone into the sinus after implant placement.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
28
sinus lift augmentation with a sole deproteinized bovine bone with simultaneous implant placement
sinus lift augmentation with a mixture of injectable platelet rich fibrin plus a deproteinized bovine bone with simultaneous implant placement
patient satisfaction
evaluation of postoperative complications in terms of pain and edema using patient pain chart
Time frame: 7 days postoperative
implant stability
measurement of implant stability using osstell device
Time frame: will be measured intraoperatively immediately after insertion of the implant and will be measured one more time 6 months after the first operation at time of implant exposure
height of bone gained around the implant
two cone beam computed tomography (CBCT) will be taken one immediate postoperative and the other 6 months after the first operation then the height of bone gained around the implant will be assessed by superimposing the same sections in the two CBCT
Time frame: 6 months postoperative
bone density around the implant
Bone density will be measured by calculating the difference in the Hounsfield unit (HU) in the bone around the implants in the immediate postoperative CBCT (within one week) and the CBCT after 6 months.
Time frame: 6 months postoperative
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