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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| sinus lift, implant placement, sole bovine bone | Active Comparator | sinus floor elevation with simultaneous implant placement together with grafting the sinus with a deproteinized bovine bone solely. |
|
| sinus lift, implant placement, injectable PRF + bovine bone | Experimental | sinus floor elevation with simultaneous implant placement together with grafting the sinus with a mixture of injectable platelet rich fibrin with a deproteinized bovine bone. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| sinus lift, implant placement, sole bovine bone | Procedure | sinus lift augmentation with a sole deproteinized bovine bone with simultaneous implant placement |
|
| Measure | Description | Time Frame |
|---|---|---|
| patient satisfaction | evaluation of postoperative complications in terms of pain and edema using patient pain chart | 7 days postoperative |
| Measure | Description | Time Frame |
|---|---|---|
| implant stability | measurement of implant stability using osstell device | 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 |
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Inclusion Criteria:
Patients requiring implants in maxilla and have atrophic bone regarding the length due to sinus pneumatiztion. Length 3: 7 mm .
Exclusion Criteria:
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| sinus lift, implant placement, injectable PRF + bovine bone | Procedure | sinus lift augmentation with a mixture of injectable platelet rich fibrin plus a deproteinized bovine bone with simultaneous implant placement |
|
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 |
| 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. | 6 months postoperative |