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  2. Volume 7, Issue 11
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Online ISSN: 2515-8260

Volume7, Issue11

Influence of Extended Setting Time On Permanent Deformation Of Elastomeric Impression Materials: An In Vitro Study

    Dr. Prerna Agrawal, Dr. Mahendra Dave, Dr. Purvi Dhariwal, Dr. Anurag Jindal, Dr. Furkan Ahmed Khan, Dr. Jay Dondani

European Journal of Molecular & Clinical Medicine, 2020, Volume 7, Issue 11, Pages 8557-8563

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Abstract

The purpose of this study was to check the influence of extended setting time on permanent deformation for 5 vinyl polysiloxane materials (Flexceed, Imprint II Garant, Aquasil Ultra LV, AFFINIS PRECIOUS, Elite HD+) and 1 polyether (Impregum Soft). Specimens (n=10) were fabricated in a brass mold and loaded in tension with a crosshead speed of 200 mm/min to 80% strain. Change in length measured after 2 hours. Influence of storage time was tested by t test. Correlation between tests was evaluated using Pearson’s correlation coefficient.The results of the present study showed that permanent deformation in Impregum Soft was reduced from 2.53% to 0.98%. For Flexceed it reduced from 1.69% to 0.896% and from 0.88% to 0.35% in case of Elite HD+. It was concluded that extending the intraoral time can reduce permanent deformation in case of Flexceed (GC),  Elite HD+ and Impregum Soft (3M) polyether.
Keywords: Elastomers, Dimensional accuracy, Setting time, Polyether
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(2021). Influence of Extended Setting Time On Permanent Deformation Of Elastomeric Impression Materials: An In Vitro Study. European Journal of Molecular & Clinical Medicine, 7(11), 8557-8563.
Dr. Prerna Agrawal, Dr. Mahendra Dave, Dr. Purvi Dhariwal, Dr. Anurag Jindal, Dr. Furkan Ahmed Khan, Dr. Jay Dondani. "Influence of Extended Setting Time On Permanent Deformation Of Elastomeric Impression Materials: An In Vitro Study". European Journal of Molecular & Clinical Medicine, 7, 11, 2021, 8557-8563.
(2021). 'Influence of Extended Setting Time On Permanent Deformation Of Elastomeric Impression Materials: An In Vitro Study', European Journal of Molecular & Clinical Medicine, 7(11), pp. 8557-8563.
Influence of Extended Setting Time On Permanent Deformation Of Elastomeric Impression Materials: An In Vitro Study. European Journal of Molecular & Clinical Medicine, 2021; 7(11): 8557-8563.
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