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ORIGINAL RESEARCH Table of Contents   
Year : 2021  |  Volume : 32  |  Issue : 1  |  Page : 61-68
Osteotome-mediated sinus floor elevation using an in situ hardening biphasic calcium phosphate bone graft substitute compared to xenograft: A randomized controlled clinical trial


1 Department of Periodontics, Yenepoya University Dental College, Mangalore, Karnataka; Senior Consultant, Department of Dentistry, Indraprastha Apollo Hospitals, New Delhi, India
2 Department of Periodontics, Yenepoya University Dental College, Mangalore, Karnataka, India
3 Department of Dentistry, Inspire Dental, Mumbai, India
4 Department of Conservative Dentistry and Endodontics, Dr. Soni's Dental Clinic, New Delhi, India
5 Department of Radiology, Mahajan Imaging Center, New Delhi, India

Correspondence Address:
Dr. Ashish Kakar
H-8 Masjid Moth, Greater Kailash 2, New Delhi
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijdr.IJDR_857_19

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Aim: To assess osteotome-mediated sinus floor elevation (OMSFE) with simultaneous implant placement using an in situ hardening biphasic calcium phosphate (BCP) compared to xenograft as a control. Methods: Patient in need for sinus floor augmentation in one or both sinuses were selected for this randomised controlled clinical trial. Sites presenting a residual sinus floor height of 3–6 mm and eligible for OMSFE were randomly assigned to receive either BCP (test) or xenograft particles (control). CBCT scans were performed before and at the time of implant loading (180 days). The difference in sinus floor height gain between the two groups was set as the primary endpoint parameter for equivalence testing. The implant insertion torque (ITV) was recorded and Implant stability quotients (ISQ) was assessed upon implant placement, abutment connection (160 days) and implant loading (180 days). Results: A total of 54 sinus lifts were performed in 42 patients including 12 bilateral cases. Four implants failed (two in each group) and a total of six patients were lost to follow-up. Statistical analysis of sinus floor height revealed no significant differences (p < 0.05) between groups at baseline nor at 180 days after augmentation. There was no statistical difference in sinus floor height gain between the two groups as supported by the 90% confidence intervals of the difference between groups. Good primary implant stability was confirmed in both treatment groups by ITV and ISQ measurements. Conclusions: Within the limits of this study, it can be concluded that OMSFE using in situ hardening BCP particles results in equivalent sinus floor height gain than using xenograft particles but offers an easier application.


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