Formulation of Glutaraldehyde Disinfectant for Alginate Impressions

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概要

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• The effect of buffer agents incorporated in glutaraldehyde disinfectants on the surface quality of dental models was examined by the measurement of surface roughness, X-ray diffraction analysis and SEM observation. Seven experimental glutaraldehyde disinfectants were prepared using two buffer agents, potassium acetate alone or potassium acetate and sodium hydrogen carbonate in combination. Four kinds of sulfate -zinc, calcium, potassium and magnesium sulfatewere added to these disinfectants in order to accelerate the hydration of calcium sulfate hemihydrate. The impressions treated with the experimental disinfectants for 1 h produced stone surfaces which had significantly lower surface roughness values than those treated with the commercial disinfectants (p<0.05). The X-ray diffraction analysis and SEM observation showed that these superior surfaces were produced as a result of significant reductions in the amount of residual calcium sulfate hemihydrate. Replacement of buffer agents in commercial glutaraldehyde disinfectants with chemicals such as those studied in the present study will improve the surface quality of dental stone.

• 日本歯科理工学会の論文

著者

• Matsuya Shigeki

  Department Of Biomaterials Faculty Of Dental Science Kyushu University

• Mizuno Keiko

  Department Of Biological And Chemical Engineering Faculty Of Engineering Gunma University

• Akamine A

  Kyushu Univ. Fac. Dentistry Fukuoka

• Akamine Akifumi

  Department Of Conservative Dentistry Ii Kyushu University Faculty Of Dentistry

• Matsuya S

  Kyushu Univ. Fukuoka Jpn

• Mizuno Keiko

  Department Of Operative Dentistry And Endodontology Kyushu University

• MATSUYA Yoko

  Department of Operative Dentistry and Endodontology, Faculty of Dentistry, Kyushu University

• UNEMORI Masako

  Department of Operative Dentistry and Endodontology, Kyushu University

• AKASHI Akane

  Department of Operative Dentistry and Endodontology, Kyushu University

• Akashi Akane

  Department Of Operative Dentistry And Endodontology Kyushu University

• Matsuya Y

  Department Of Operative Dentistry And Endodontology Kyushu University

• Matsuya Yoko

  Department Of Operative Dentistry And Endodontology Faculty Of Dentistry Kyushu University

• Unemori Masako

  Department Of Operative Dentistry And Endodontology Kyushu University

• MIZUNO Keiko

  Department of Biochemistry, Tokushima University, School of Medicine

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