Hindawi Publishing Corporation International Journal of Dentistry Volume 2016, Article ID 7414737, 6 pages http://dx.doi.org/10.1155/2016/7414737
Research Article Accuracy of Multiple Pour Cast from Various Elastomer Impression Methods Satheesh B. Haralur,1 Majed Saad Toman,2 Abdullah Ali Al-Shahrani,2 and Abdullah Ali Al-Qarni2 1
Department of Prosthodontics, College Of Dentistry, King Khalid University, Abha, Saudi Arabia College Of Dentistry, King Khalid University, Abha, Saudi Arabia
2
Correspondence should be addressed to Satheesh B. Haralur; hb
[email protected] Received 8 October 2016; Revised 17 November 2016; Accepted 23 November 2016 Academic Editor: Ali I. Abdalla Copyright © 2016 Satheesh B. Haralur et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The accurate duplicate cast obtained from a single impression reduces the profession clinical time, patient inconvenience, and extra material cost. The stainless steel working cast model assembly consisting of two abutments and one pontic area was fabricated. Two sets of six each custom aluminum trays were fabricated, with five mm spacer and two mm spacer. The impression methods evaluated during the study were additional silicone putty reline (two steps), heavy-light body (one step), monophase (one step), and polyether (one step). Type IV gypsum casts were poured at the interval of one hour, 12 hours, 24 hours, and 48 hours. The resultant cast was measured with traveling microscope for the comparative dimensional accuracy. The data obtained were subjected to Analysis of Variance test at significance level
