Bilateral sinus floor augmentation using 100% alloplastic biomaterial for later rehabilitation of atrophic maxilla. A 5-year tomographic follow-up

Rodinei Luiz da Silva BUCCO JUNIOR, Tércio Pessoa TABOSA E SILVA, Caio César Leite MIRANDA, Márcia Helena Dutra KOELSCH, Antônio José Bittencourt da ROSA

Introduction: Successful implant rehabilitation relies on previous planning that addresses the specific clinical variables of each case. Fixed-prosthesis rehabilitation of severely atrophic maxilla is a challenge, given that patients do not present with minimal posterior bone height required for implant placement at the site recommended by diagnostic wax-up. Objective: The present study aims at reporting a case of implant-supported complete denture oral rehabilitation performed by means of bilateral maxillary sinus lift with 100% alloplastic biomaterial for subsequent implant placement, with a 5-year clinical and tomographic follow-up. Methods: The use of synthetic bone substitutes (biphasic calcium phosphate) not only eliminates potential risks of contamination, but also reduces the number of surgical sites, given that it does not require autogenous bone to be harvested for grafting. Subantral residual bone height was less than 1 mm, therefore, bilateral maxillary sinus lift carried out by means of the lateral window approach was planned to be performed eight months before placement of eight implants. These implants would give support to a complete denture installed 60 days after implant placement surgery. Conclusion: Both scientific literature and the case reported herein evince that the use of 100% alloplastic biomaterial for vertical augmentation of atrophic maxilla by means of maxillary sinus lift is an e‚cient alternative to replace autograft due to presenting lower morbidity rates.

Keywords: Dental prosthesis. Dental implants. Maxilla. Atrophy. Maxillary sinus lift.

How to cite: Bucco Junior RLS, Tabosa e Silva TP, Miranda CCL, Koelsch MHD, Rosa AJB. Bilateral sinus floor augmentation using 100% alloplastic biomaterial for later rehabilitation of atrophic maxilla. A 5-year tomographic follow-up. Dental Press Implantol. 2015 Jan-Mar;9(1):42-56. doi: http://dx.doi.org/10.14436/2237-650X.9.1.042-056.oar

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