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The International Journal of Oral & Maxillofacial Implants



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Int J Oral Maxillofac Implants 11 (1996), No. 1     1. Jan. 1996
Int J Oral Maxillofac Implants 11 (1996), No. 1  (01.01.1996)

Page 38-45

Bone Tissue Response to Commercially Pure Titanium Implants Blasted With Fine and Coarse Particles of Aluminum Oxide
Wennerberg, Ann / Albrektsson, Tomas / Andersson, Börje
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-µm 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-µm particles compared to those blasted with 250-µm 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.

Keywords: histomorphometric evaluation, mechanical evaluation, surface roughness characterization, three dimensional