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The International Journal of Prosthodontics
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Int J Prosthodont 8 (1995), No. 2     1. Mar. 1995
Int J Prosthodont 8 (1995), No. 2  (01.03.1995)

Page 117-121


Adaptation of Finger-Smoothed Irreversible Hydrocolloid to Impression Surfaces
Lim / Neo / Sitoh / Yeo / Stokes
This study investigated a surface moistening technique in which the surface of an irreversible hydrocolloid impression material was smoothed using a moistened, gloved finger prior to impression making. To determine the effect of the procedure on the surface integrity of machined brass die, impressions with and without smoothed surfaces were made and examined. Similarly, multiple impressions were made for a single dentate subject, and stone casts were poured. These casts were assessed by three experienced clinicians. Results indicated that the moistened finger technique resulted in fewer surface bubbles and voids than did impressions made when the material was only loaded with a spatula and not smoothed.