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Related Experiment Videos

Evaluation of sinus floor elevation using a composite bone graft mixture.

Pablo Galindo-Moreno1, Gustavo Avila, Juan Emilio Fernández-Barbero

  • 1Oral Surgery Department, School of Dentistry, University of Granada, Granada, Spain. pgalindo@ugr.es

Clinical Oral Implants Research
|March 16, 2007
PubMed
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A novel composite bone graft mixture of autogenous bone, bovine bone, and platelet-rich plasma (PRP) proved effective for sinus augmentation, achieving a 99% implant success rate in posterior maxilla reconstructions.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Dental Implantology
  • Bone Grafting

Background:

  • Posterior maxillary implant surgery is challenging due to limited bone height.
  • Sinus floor elevation techniques address vertical bone deficiency.
  • A simple, safe, and predictable bone graft mixture for sinus lifting was investigated.

Purpose of the Study:

  • To evaluate the efficacy of a composite graft for sinus augmentation.
  • To assess implant survival rates following sinus lift with the composite graft.
  • To analyze the bone formation and integration of the graft material.

Main Methods:

  • Seventy patients underwent sinus lift using a composite graft (cortical autogenous bone, bovine bone, PRP).
  • 263 implants were placed simultaneously or delayed.

Related Experiment Videos

  • Clinical and radiographic evaluations were performed at 24 months post-loading; biopsies were taken from 16 sites.

    • Main Results:

    • A 99% overall implant success rate was achieved after 24 months.
    • No significant difference in success rates between simultaneous and delayed implant placement.
    • Histomorphometric analysis showed 34% vital bone, indicating successful integration of bovine bone particles.

    Conclusions:

    • A composite graft of cortical autogenous bone, bovine bone, and PRP is effective for sinus augmentation.
    • This graft mixture supports successful osseointegration and high implant survival rates.
    • The technique offers a predictable solution for enhancing bone volume in the posterior maxilla.