Radiodensity evaluation of dental impression materials in comparison to tooth structures.

ABSTRACT:

Unlabelled

In the most recent decades, several developments have been made on impression materials' composition, but there are very few radiodensity studies in the literature. It is expected that an acceptable degree of radiodensity would enable the detection of small fragments left inside gingival sulcus or root canals.

Objective

The aim of this study was to determine the radiodensity of different impression materials, and to compare them to human and bovine enamel and dentin.

Material and methods

Twenty-five impression materials, from 5 classes, were studied: addition and condensation silicones, polyether, polysulfides and alginates. Five 1-mm-thick samples of each material and tooth structure were produced. Each sample was evaluated 3 times (N=15), being exposed to

SUBMITTER: Fonseca RB 

PROVIDER: S-EPMC4246377 | biostudies-literature | 2010 Sep-Oct

REPOSITORIES: biostudies-literature