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The International Journal of Oral & Maxillofacial Implants
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Int J Oral Maxillofac Implants 8 (1993), No. 4     1. July 1993
Int J Oral Maxillofac Implants 8 (1993), No. 4  (01.07.1993)

Page 415-419


The Effects of Hyperbaric Oxygenation on Bone-Titanium Implant Interface Strength With and Without Preceding Irradiation
Johnsson, Kristina / Hansson, Åse / Granström, Gösta / Jacobsson, Magnus / Turesson, lngela
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.

Keywords: hyperbaric oxygen, implant interface, irradiation, osseointegration, titanium implants