A histomorphometric evaluation of bone‐to‐implant Eontact on machine‐prepared roughened titanium and dental implants. A pilot study in the dog.

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Abstract
This investigation was performed to assess the bone-to-implant surface contact at fixtures of titanium that either had a standard machine prepared or a TiO2-blasted surface. Five beagle dogs were used in the experiment. Extractions of the premolars were performed in the maxilla. After 4 months of healing, 5 standard machine-prepared fixtures and 5 prepared according to the TioBlast technique were inserted. Two months later another 5 “standard” and 5 TiO Blast-prepared implants were inserted. Four months after the first fixture installation, the animals were killed and ground sections prepared from each implant site. Of the 20 implants installed, 19 were successfully incorporated. The mean bone-to-implant surface for “standard” fixtures was about 40% both at the 2 and 4 months observation interval. The corresponding figures for the TiO Blast-prepared fixtures were similar during the first 2 months of observation, while subsequently the TioBlast-prepared fixture surface seemed to stimulate to a more close bone-to-implant contact (65%) than the “standard” one.

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