Aim of this investigation is to show in sites with less than 4mm of bone
height of the sinus floor, synthetic putty bone graft and simultaneous
short implant placement in crestal sinus lifting procedures result in
sufficient bone gain, and is a valuable option to the more invasive
lateral-window approach.
Introduction: Aim of this investigation is to show that in sites with less than 4 mm of bone height of the sinus floor, synthetic putty bone graft and simultaneous short implant placement in crestal sinus lifting procedures result in sufficient bone gain, and is a valuable option to the more invasive lateral-window approach.
Case presentation: Four patients missing a single tooth or more in the posterior maxilla with remaining alveolar ridge height of less than 4mm underwent crestal sinus lift procedures with bone grafting using a synthetic putty material simultaneously. Loading of the short implants was done with a minimum of 4 months after placement showing bone growth around the implant and lift of the Schneiderian membrane between 2.3mm-7.3mm.
Conclusion: Crestal sinus lift, in combination with a short implant and a synthetic putty bone graft, is a good alternative for lateral more invasive sinus lift when the thickness of the sinus floor is less than 4mm.
In these three different cases, synthetic putty graft material has proven to be a reliable alternative to autologous bone for implant placement, directly into the anterior extraction socket of the maxilla. This study presents three different patients who require implants in the anterior maxilla. Immediate implant placement was the treatment solution of choice. Because the aesthetic expectations and the initial screw-in torque are different however, a differentiation between direct loading, a phase 1 or a phase 2 approaches was made. Clinical results show that synthetic putty is an effective alternative to transplantations with xenograft or allogeneic graft materials in single-phase, two-phase, and direct loading.
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