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Immediate Occlusal Loading of Osseotite Implants in the Lower Edentulous Jaw Immediate Occlusal Loading of Osseotite Implants in the Lower Edentulous Jaw

Author(s):

Tiziano Testori, MD, DDS, FICD;Alan M. Meltzer, DMD, MScD;Massimo Del Farbbro, Francesco Zuffetti, Miguel Troiano, Luca Francetti, Roberto L. Weinstein

Date Added:

1/1/2004


Summary:

Objective: This paper reports the results of a prospective multicenter clinical study on immediately fully occlusally loaded full-arch screw-retained prostheses with distal extensions (hybrid prostheses) supported by Osseotite implants inserted in edentulous lower jaws. Method and material: Sixty-two patients were enrolled in four clinical centers. Three hundred and twenty-five Osseotite implants were inserted and occlusally loaded according to an immediate loading protocol. The temporary prosthesis was delivered 4 h from surgery. The final prosthesis was delivered after 6 months. Marginal bone loss was monitored from periapical radiographs using a computerized technique. Results: Two implants failed to integrate within 2 months of occlusal loading. A cumulative implant success rate of 99.4% was achieved for a period of 12–60 months postplacement (mean 28.6714.1 (SD) months). Crestal bone loss around the immediately loaded implants was similar to that reported for standard delayed loading protocols. Conclusion: The results of this study suggest that the rehabilitation of the edentulous mandible by an immediate occlusally loaded hybrid prosthesis supported by five to six Osseotite implants represents a viable alternative treatment to classic delayed loading protocols.

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