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Volume 8 , Issue 4
July/August 1993

Pages 415-419

The Effects of Hyperbaric Oxygenation on Bone-Titanium Implant Interface Strength With and Without Preceding Irradiation

Kristina Johnsson, MD/Åse Hansson, MD/Gösta Granström, MD, DDS, PhD/ Magnus Jacobsson, MD, PhD/lngela Turesson, MD, PhD

PMID: 8270310

This study investigated the influence of a single 15-Gy dose of irradiation on the capacity of titanium screws to integrate in irradiated bone tissue. The biomechanical force necessary to unscrew the titanium implants 8 weeks after placement was 54% lower for implants in irradiated bone tissue compared to implants in nonirradiated bone tissue. Postirradiation use of hyperbaric oxygen treatment at 2.8 ATA (2-hour daily treatments for 21 days) increased the biomechanical force necessary to unscrew the titanium implants by 44% in irradiated bone and by 22% in nonirradiated bone. (INT J ORAL MAXILLOFAC IMPLANTS 1993;8:415-419.)

Key words: hyperbaric oxygen, implant interface, irradiation, osseointegration, titanium implants

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