Inclusion Criteria | Exclusion Criteria |
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Patients required a bilateral sinus lift for implant treatment in the posterior maxilla one side for crestal approach and other side for lateral approach. | Patients who required a bilateral sinus, in which both the right and left sides were indicated for OSFE per current practice guidelines [6]. |
Patients were required to undergo a lateral sinus lift procedure if the RBS was a minimum of 2 mm and a maximum of 4 mm. Patients need to meet the current practice guidelines (minimum of 5mm RBS) to qualify for crestal approach6 |
Patients required a bilateral sinus, in which both the right and left sides were indicated for sinus lift by the lateral approach per current practice guidelines [7, 8]. |
At least 1 mm of bone was required on each side for implant stability. | Patients did not consent to participate in the study. |
Patients were free from any systemic or local contraindications for dental implant placement. | Patient with systemic or local contraindications for dental implant placement. |