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Published on: October 18, 2021
Horizontal bone augmentation in full-arch maxillary implant-supported restorations: a preliminary clinical report
Silvio Taschieri1, Stefano Corbella, Luca Francetti
1*Academic Researcher, Member Oral Health Research Centre, Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Oral Health Research Centre, Milan, Italy; IRCCS Istituto Ortopedico Galeazzi, Milan, Italy. †Visiting professor, Member Oral Implantology Research Centre, Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Oral Implantology Research Centre, Milan, Italy; IRCCS Istituto Ortopedico Galeazzi, Milan, Italy. ‡Associate Professor, Director Oral Implantology Research Centre, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy; Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Oral Implantology Research Centre, Milan, Italy. §Academic Researcher, Director Oral Health Research Centre, Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Oral Health Research Centre, Milan, Italy; IRCCS Istituto Ortopedico Galeazzi, Milan, Italy.
Purpose:
The purpose of this study was to describe a technique for horizontal maxillary bone grafting in combination with implant placement for full arch.
Materials And Methods:
Patients requiring complete rehabilitation of the edentulous maxillae were included. Two axial mesial implants and 2 tilted distal ones were placed approximately 2 mm buccally about the centre of the bone crest. A graft made of a mixture of deproteinized bovine bone and platelet-rich plasma was placed buccally covering bony dehiscence. Horizontal bone gain and differences in bone volume were evaluated 6 months after surgical intervention, at the time of prosthetic loading, through comparison of standardized cone beam computed tomographic scans.
Results:
A total of 10 patients were consecutively treated after the proposed protocol. After 6 months, the mean horizontal bone gain was 1.87 ± 0.54 mm for the left side and 1.79 ± 0.78 mm for the right side without any significant difference between them. The bone volume increased by 610.5 ± 27.57 mm after 6 months.
Conclusions:
It can be postulated that the proposed protocol may provide a significant horizontal bone gain for minimizing the anterior cantilever in full-arch prosthesis.
