WAXES FOR FUNCTIONAL IMPRESSIONS

Citation
E. Kotsiomiti et Jf. Mccabe, WAXES FOR FUNCTIONAL IMPRESSIONS, Journal of oral rehabilitation, 23(2), 1996, pp. 114-120
Citations number
22
Categorie Soggetti
Dentistry,Oral Surgery & Medicine
ISSN journal
0305182X
Volume
23
Issue
2
Year of publication
1996
Pages
114 - 120
Database
ISI
SICI code
0305-182X(1996)23:2<114:WFFI>2.0.ZU;2-U
Abstract
The aim of this study was to develop a wax suitable to serve as a func tional impression material. Several binary mixtures of paraffin, beesw ax and rosin were prepared. They were characterized by differential th ermal analysis (DTA), and tested for plastic deformation, thermal expa nsion, detail reproduction and mechanical properties. It was found tha t the combinations of paraffin with rosin can function well as impress ion materials, as they combine a high value of plastic deformation at 37 degrees C with relatively low values at room temperature. Concentra tions of rosin as small as 1% or 2% are adequate to produce this resul t. The flow of paraffin was significantly reduced by the addition of b eeswax. A linear relationship was found between the 37 degrees C flow values of paraffin-beeswax mixtures and the proportions of the ingredi ents.