P-41 光学印象精度に影響を及ぼす酸化チタン粉末の被膜厚さ : 1. 噴霧条件と被膜厚さ(器械・技術,一般講演(ポスター発表),第59回日本歯科理工学会学術講演会)

概要

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When the optical impression is performed, titanium oxide powders are sprayed first as a thin layer onto the surfaces of the preparation and infrared reflectance is recorded. However, the thickness of a coating layer varies from place to place, which may change the infrared reflectance, causing some errors for the optical impression. In this study, titanium oxide powders were sprayed onto the surface of a resin abutment tooth die from different distances and the thickness of a coating layer produced under each condition was measured using a laser displacement meter and digital stereoscopic microscope.
2012-03-25