JOURNAL OF PROSTHETIC DENTISTRY THE

Vol. 99 No. 2      FEBRUARY - 2008

ISSN: 0022-3913      UBIC: 171

RESUMEN

Functional reconstruction of an occlusion with severe residual ridge resorption is a clinical challenge. Removable prostheses are unsuccessful in situations with severe bone resorption. A patient with an edentulous maxilla received bone grafts from the anterior iliac crest to augment the maxillary alveolar residual ridges. The maxilla underwent bilateral sinus lift in the posterior area and onlay bone graft on the anterior maxilla using platelet-rich plasma. Eight endosseous implants were placed using a CAD/CAM surgical template approximately 6 months after the bone augmentation procedure. A prefabricated definitive implant-supported fixed complete denture was connected immediately after implant placement using a CAD/CAM-guided surgical implant placement protocol. (J Prosthet Dent 2008;99:85-90)

SUMMARY

This article described the management of a severely atrophic maxilla using a bone graft, CT scan, computer-based treatment planning, CAD/CAM fabrication of a surgical guide, minimally invasive flapless implant placement, and immediate insertion of a prefabricated definitive prosthesis. This protocol allowed a patient with an edentulous maxilla from severe resorption, with inadequate prosthesis support, to have an implant-supported maxillary fixed complete denture prosthesis placed. The advantages of this technique included computer-based presurgical planning, a minimally invasive flapless procedure, rapid recovery, minimal posttreatment discomfort, and an immediate regain of occlusal function.

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