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Related Experiment Videos

Titanium implants in irradiated dog mandibles.

J W Schweiger1

  • 1Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, N.Y.

The Journal of Prosthetic Dentistry
|August 1, 1989
PubMed
Summary

Osseointegrated titanium implants show promise for cancer patients. In an animal study, implants achieved osseointegration in half of the irradiated bone sites, suggesting potential for maxillofacial prostheses.

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Biomaterials Science
  • Oncology

Background:

  • Osseointegrated titanium implants are crucial for maxillofacial prostheses in cancer patients.
  • Osteoradionecrosis (ORN) poses a risk to implant success in irradiated bone.

Purpose of the Study:

  • To evaluate osseointegration of titanium implants in irradiated bone using an animal model.
  • To assess the feasibility of dental implants in tumoricidal-level irradiated bone.

Main Methods:

  • Beagle dogs received 60 gray irradiation to the hemimandible.
  • Titanium implants were placed in irradiated and non-irradiated (control) hemimandibles.
  • Histological analysis was performed after 5.5 months of osseointegration.

Main Results:

  • Osseointegration was achieved in 50% of the irradiated bone specimens.
  • Implants in non-irradiated bone served as controls.

Conclusions:

  • Osseointegration is achievable in bone irradiated to tumoricidal levels.
  • Titanium implants may be a viable option for selected cancer patients requiring maxillofacial prostheses.

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