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Updated: Aug 25, 2026
Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
Published on: December 20, 2024
An experimental study on particular physical properties of several interocclusal recording media. Part I: consistency
Konstantinos X Michalakis1, Argiris Pissiotis, Vassiliki Anastasiadou
1Division of Graduate and Postgraduate Prothodontics, Tufts University School of Dental Medicine, Boston, MA, USA. kmichalakis@the.forthnet.gr
Purpose:
To evaluate the consistency prior to the setting of 5 elastomeric interocclusal recording materials in comparison with a wax and a zinc oxide-eugenol paste. This property is related to the viscosity as well as to the working and setting times of these materials.
Materials And Methods:
Testing of consistency was performed following a modification of the method described in ADA Specification No. 19, for elastomeric impression materials. Each one of the tested materials was mixed for 20 seconds and was then loaded into a 0.5 mL syringe. The material was syringed onto a 10 x 10 x 0.5 cm glass plate. A second 575 g glass plate was placed on top of the unset interocclusal registration material. A total of 10 samples were tested for each material. The surface area covered by the materials was measured with the help of a scanner and the use of appropriate computer software.
Results:
One-way ANOVA revealed significant differences among the materials (F = 889.493, p < 0.0005). According to Tukey's honest significant difference test, all materials were significantly different (p < 0.05) from one another. All polyvinylsiloxanes occupied a smaller area than that of the polyether and of the zinc oxide-eugenol paste.
Conclusions:
Zinc oxide-eugenol paste was the most fluid of all materials tested. Polyvinylsiloxanes displayed less flow properties than polyether.