Osseodensification and Dental Implant Stability

Plain-language summary

Osseointegration refers to the formation of a structural and functional bone-to-implant interface, without the interposition of soft tissue. Successful osseointegration will provide long term success for the dental implant. Primary implant stability, is the mechanical stability between bone and the implant at the time of insertion and is key to initiate a successful osseointegration. Both primary implant stability and osseointegration are affected by the density of the bone where the implant is placed. A relatively new technique known as osseodensification (OD) has been developed and uses specially designed burs (Densah burs). Compared to conventional drills (CD) that remove bone (subtractive drilling) these burs are designed so that they can rotate in a counterclockwise (CCW) (non subtractive) direction which allows bone to be preserved and compacted into the wall of the osteotomy site. These drills therefore theoretically maintain bone volume which then creates higher bone density and bone to implant contact allowing better implant primary stability. This study will be a randomised control trial comparing OD to CD with regards to implant stability and bone levels. Considering the increased cost of OD, available literature must support a significant clinical benefit of OD over CD to consider them for clinical use. This study will aim to reinforce available clinical research and address some of the limitations of the current evidence to aid clinicians in making an evidenced-based decision on the use of OD when poor bone density could compromise implant success.

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Trial details