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Volume 42 , Issue 4
July/August 2022
Pages 525–533

Maxillary Sinus Elevation Using the Bone Ring Technique with Immediate Implantation: A Case Report

Marcelo Pereira Nunes, DDS, PhD/Luís Fernando Pereira Nunes, MS/João Carlos Bittencourt Ribeiro, MS/Roberto Carlos Mourão Pinho, DDS, PhD/Renata Cimões, DDS, PhD

PMID: 35830319
DOI: 10.11607/prd.4746

Compared to other areas of the oral cavity, an edentulous posterior maxilla poses a unique challenge for implant placement. The most important aspect to consider is the maxillary sinus. This paper describes a case in which the bone ring technique was used to raise the floor of the maxillary sinus, followed by immediate implantation. A 37-year-old woman presented with a ridge defect in the left maxilla and the absence of teeth 26 and 27 (FDI tooth-numbering system) on the same side. The treatment plan involved the extraction of tooth 25, periodontal regeneration on the distal face of tooth 24, and concomitant raising of the maxillary sinus (using the bone ring technique) with simultaneous implantation. The bone ring technique promotes bone augmentation, raises the maxillary sinus, and reduces the surgical time, surgical costs, and length of the rehabilitation period. In the case presented herein, bone tissue stability around the implants, ridge maintenance, and gingival margin stability were found at the 1-year follow-up after rehabilitation.

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