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Volume 11 , Issue 1
January/February 1996

Pages 38-45

Bone Tissue Response to Commercially Pure Titanium Implants Blasted With Fine and Coarse Particles of Aluminum Oxide

Ann Wennerberg, DDS/Tomas Albrektsson, MD, PhD/Brje Andersson, PhD, Mech Eng

PMID: 8820121

The present study compares the bone response to commercially pure titanium screws with two different degrees of surface roughness. Implants blasted with 25- and 250-m particles of aluminum oxide were placed in rabbit tibiae after the surface roughness of the implants had been measured. After 4 weeks, there was a significantly higher bone-to-metal contact for implants blasted with 25-m particles compared to those blasted with 250-m particles. The present study indicates that a highly increased surface roughness compared to a moderately increased one is a short-term disadvantage for bone tissue. (INT J ORAL MAXILLOFAC IMPLANTS 1996;11:3845)

Key words: histomorphometric evaluation, mechanical evaluation, surface roughness characterization, three dimensional

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