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The sinus cavity and the rarefied posterior maxillary bone make it difficult to place implants posterior to the first premolar. Pterygoid implants provide a solution for a patient with a severely resorbed jaw bone with minimal surgical trauma and maximum oral function. The pterygomaxillary structures provide stability and support implants , the implant is angled and the apex made to engage either the pterygoid process, the pyramidal plate of the palatine bone, or both. These implants have provided successful support for a complete-arch fixed teeth (prosthesis).
Basal implants are uniquely designed to get accommodated in the basal cortical portion of the jaw bones and the technique employed is usually a graft-less / flapless surgical procedure. This technique can replace single tooth, several teeth or a full jaw, even in immediate extraction cases with remarkable comfort, predictability and aesthetics.
Implant placement through the maxillary tuberosity and into the pterygoid plate. Treatment approach can be used in patients with severe maxillary atrophy or following tumor resection.
Implant is placed into pterygoid bone structure to serve as distal abutments (support) for implant prosthesis.
Studies from 1992 to 2009 on patients with atrophic posterior maxilla rehabilitated with pterygoid implants were reviewed. weighted average success of Pterygoid Implants / Tuberopterygoid implants was 90.7%.
Vrielinck L, Politis C, Schepers S, Pauwels M, Naert I. Image-based planning and clinical validation of zygoma and pterygoid implant placement in patients with severe bone atrophy using customized drill guides. Preliminary results from a prospective clinical follow-up study. Int J Oral Maxillofac Surg 2003;32(1):7
Graves SL. The pterygoid plate implant: a solution for restoring the posterior maxilla. Int J Periodontics Restorative Dent 1994;14(6):51
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