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1篇 您的检索式：作者名="Liang Lin Seow"

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		题名	作者	年代	出处	被引量
	1	Viscosity effects of polyvinyl siloxane impression materials on the accuracy of the stone die produced显示文摘Background:The purpose of the present study was to investigate the effect of different viscosities of polyvinyl siloxane(PVS)impression materials on the accuracy of the stone die produced.Methods:A three-unit bridge master model was fabricated using cold-cure acrylic resin.Four combinations of different viscosities of PVS impression materials-regular body(monophase)alone,light body with regular body,light body with heavy body,and light body with putty-were used to make an impression of the master model.Ten impressions from each group were taken and Type IV gypsum stone was used to generate the dies.The dies were measured at the inter-abutment distance,occlusogingival length,and shoulder width with a measuring microscope and were compared with the master model using one-way analysis of variance and Tukey(honest significant difference)test.Results:Differences were found for inter-abutment distance between the master model and the light body with regular body and light body with putty dies(both P<0.02).A difference was found for shoulder width between the master model and the regular body alone die(P=0.01).No differences were found for occlusogingival distance(all P>0.08).Conclusion:Results suggested inter-abutment distance was most accurate when using a PVS light body combination.Occlusogingival length was accurate using any of the studied PVS combinations,and shoulder width was more accurate when using the regular body PVS.Relevance for patients:These results should be considered when choosing the viscosity of the PVS to use for producing impressions of high accuracy and fabricating a well-fitting fixed prosthesis.	Warren Ho Liang Lin Seow Ammar Musawi	2018	Journal of Clinical & Translational Research2018，4，1：	0

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