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Related Experiment Videos

Improved pontic/tissue relationships using porous coralline hydroxyapatite block.

P S Olin1, R G Ettel, E M Schaffer

  • 1Division of Fixed Prosthodontics, University of Minnesota, School of Dentistry, Minneapolis.

The Journal of Prosthetic Dentistry
|August 1, 1991
PubMed
Summary

Porous coralline hydroxyapatite implants successfully augmented localized bone defects in the anterior jaw. This procedure improved the pontic/ridge relationship, enhancing aesthetics and oral hygiene for fixed prostheses.

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Area of Science:

  • Biomaterials science
  • Oral and maxillofacial surgery
  • Periodontology

Background:

  • Dental implantology faces challenges with localized alveolar ridge defects, impacting fixed prosthesis success.
  • Improving the pontic/ridge relationship is crucial for both esthetics and oral hygiene.
  • Porous coralline hydroxyapatite offers a potential solution for bone augmentation.

Observation:

  • A surgical technique involving a beveled palatal incision was used to achieve flap displacement without denuding bone.
  • Flap margins were securely sutured to adjacent palatal tissues.
  • The surgical site was monitored for healing and graft integration.

Findings:

  • At 2.5 and 3-year follow-ups, the implant sites remained healthy with maintained ridge contours.

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  • Radiographic evaluation confirmed the sustained presence of the porous coralline hydroxyapatite implants.
  • The fixed partial dentures placed were functional, demonstrating successful restoration.

    • Implications:

    • Porous coralline hydroxyapatite shows promise for localized alveolar ridge augmentation in anterior regions.
    • The procedure offers a viable option for improving esthetics and function in patients needing bone reconstruction.
    • Continued investigation and application of this technique are warranted based on promising 3-year results.