How do we find passivity with implant supported prostheses?

Passive fit (synonymous with “ideal fit”) is assumed to be one of the most significant prerequisites for the maintenance of the bone-implant interface. To provide passive fit or a strain-free superstructure, a framework should, theoretically, induce absolute zero strain on the supporting implant components and the surrounding bone in the absence of an applied external load.

The absence of passivity in implant placement can lead to severe consequences, such as implant failure, compromised structural integrity of the prostheses, or even the inability to restore a case entirely. These complications not only jeopardize the long-term success of the implant-supported restoration but also have a significant impact on patient satisfaction and overall oral health.

Photogrammetry technology has emerged as a valuable tool in addressing these challenges. By accurately calculating the position and orientation of multiple implant interfaces in a quick and efficient manner, photogrammetry has proven to be the most precise digital method for determining dental implant positioning, particularly in cases involving multiple implants and full arch restorations.

However, a new alternative has recently been introduced to the field of implant dentistry. Grammetry is a comprehensive photogrammetry alternative that offers all the benefits of dental photogrammetry at a fraction of the cost, approximately 1% of the traditional photogrammetry expenses.

To learn more about Grammetry click the video below!

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