The study sample was divided into three groups according to the origin of the bone substitute used: group 1 (autogenous bone), group 2 (xenogenous bone), and group 3 (alloplastic bone). Within the same sample, perforated sinuses were recorded separately to observe if there was a relationship with loss of graft and implants and the influence of the residual bone height.
Grafts were considered successful when they enabled the installation of the implants; implants were considered successful when they did not present pain, mobility, or suppuration during the follow-up period [33 (link), 34 (link)] and allowed prosthetic rehabilitation and masticatory function. Conversely, grafts were considered unsuccessful when there was infection or reabsorption of the grafted material in the maxillary sinus, and implants were considered unsuccessful if there was infection and lack of osseointegration [33 (link), 34 (link)].
Grafts were considered successful when they enabled the installation of the implants; implants were considered successful when they did not present pain, mobility, or suppuration during the follow-up period [33 (link), 34 (link)] and allowed prosthetic rehabilitation and masticatory function. Conversely, grafts were considered unsuccessful when there was infection or reabsorption of the grafted material in the maxillary sinus, and implants were considered unsuccessful if there was infection and lack of osseointegration [33 (link), 34 (link)].
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