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VOLUME 14 , ISSUE 3 ( May-June, 2013 ) > List of Articles

RESEARCH ARTICLE

Surgical Elevation of Bilateral Maxillary Sinus Floor with a Combination of Autogenous Bone and Lyophilized Bovine Bone

Danilo Barral Araujo, Elisângela de Jesus Campos, Marcos André Matos Oliveira, Max José Pimenta Lima, Gabriela Botelho Martins, Roberto Paulo Correia Araujo

Citation Information : Araujo DB, de Jesus Campos E, Oliveira MA, Lima MJ, Martins GB, Araujo RP. Surgical Elevation of Bilateral Maxillary Sinus Floor with a Combination of Autogenous Bone and Lyophilized Bovine Bone. J Contemp Dent Pract 2013; 14 (3):445-450.

DOI: 10.5005/jp-journals-10024-1342

Published Online: 01-06-2013

Copyright Statement:  Copyright © 2013; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Aim

Realize the surgery of sinus lifting floor to allow the installation of osseointegrated implants for oral rehabilitation, with the combination of different biomaterials, autogenous bone and lyophilized bovine bone.

Background

Oral rehabilitation using the installation of osseointegrated implants is an alternative surgical approach that results in the satisfactory form, function and esthetics of the dental units.

Case report

After clinical, dental and laboratory assessment, a 47-year-old female patient underwent full maxillary oral rehabilitation involving the installation of osseointegrated implants to allow her to meet the physiological demands of occlusion and mastication. It was found that the patient had fully pneumatized maxillary sinuses with insufficient height to anchor implants, with a loss of the vertical dimension of the occlusal and masticatory functions due to general dental loss, compounded by the use of ill-fitting dentures; hence, the choice was made to take autogenous bone from the patient's chin area and supplement it with lyophilized bovine bone as collateral for larger areas to be grafted. It was also decided to avulse the remaining tooth units due to their impairment by periodontal disease.

Conclusion

Bone grafts do not constitute suitable alternatives in the cosmetic and functional rehabilitation of the maxilla in patients requiring bilateral sinus elevation. The chin region provides bone tissue that, when complemented by lyophilized bovine bone grafts, ensures greater volume and less invasive surgery. In the case described here, a height gain of approximately 550% was obtained, making it possible to anchor seven implants.

Clinical significance

In this study, the surgical procedures used for grafting a combination of autogenous and lyophilized bovine bone, aimed to elevate the maxillary sinus floor to allow the installation of osseointegrated implants for oral rehabilitation.

How to cite this article

Araujo DB, de Jesus Campos E, Oliveira MAM, Lima MJP, Martins GB, Araujo RPC. Surgical Elevation of Bilateral Maxillary Sinus Floor with a Combination of Autogenous Bone and Lyophilized Bovine Bone. J Contemp Dent Pract 2013;14(3):445-450.


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