Abstract
A clinical study was conducted on sixteen patients, suffering from partially edentulous areas at the maxillary posterior region. Sixteen patients with 18 implants were divided randomly into two equal groups 8 patients with 9 implants in each group.
Highlights
The edentulous ridge in the posterior maxilla is characterized by progressive and irreversible vertical bone resorption after tooth extraction, this leads to an atrophic bone situation and limits the application of implant therapy
According to the results of this study we could conclude that: Osteotome mediated maxillary sinus lifting with simultaneous implant placement using oxidized regenerated cellulose graft is a promising technique compared to other grafting materials as technically safe, cheap, fast and its application does not require a sophisticated procedure through trans alveolar sinus membrane elevation and simultaneous implant insertion
Oxidized regenerated cellulose could be considered as an alternative reasonable grafting material with comparable outcomes to osteon II with less postoperative complications, if the residual bone below sinus floor ≥ 8 mm, its not required to use graft materials for sinus floor augmentation and if the residual bone height is ≤ 6 mm ORC could be used as filling material for crestal sinus floor augmentation
Summary
The edentulous ridge in the posterior maxilla is characterized by progressive and irreversible vertical bone resorption after tooth extraction, this leads to an atrophic bone situation and limits the application of implant therapy. In such cases, the sinus lift procedure is indicated; it is expected to provide sufficient bone for optimal implant osseointegration, and provide longterm success [1]. It is less invasive and the treatment can be achieved with a single surgery [2] Another use of short implants with a textured surface in sites with limited residual bone height, the surgical procedure is simpler, and the treatment duration can be reduced [3]. To enable placement of implants other than short one because the minimum length for predictable dental implant success is 10 mm or what is called standard implant length
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