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International Dental Journal of Student Research


Determination the flow of experimental modeling waxes by using vicat apparatus


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Author Details: Amer A. Taqa*,Nadira A. Hatim,Ahmad W. Alubaidi

Volume : 6

Issue : 3

Online ISSN : 2278-3784

Print ISSN : 2394-708X

Article First Page : 55

Article End Page : 60


Abstract

 

 

Aim of the study: Evaluation the flow of a new experimental modeling waxes. Materials and methods: synthesis of one hundred twenty (120) samples of different modeling waxes by mixing different percentages of local natural waxes (hard paraffin, soft paraffin and beeswax) and additives (starch, gum Arabic, rosin and Na-CMC (Na-carboxymethylcellulose)) using mold made from brass according to ADA specification No.24, then measure the flow of them by using vicat apparatus after making modification. Results: The experimental modeling wax (80% hard paraffin+20% soft paraffin) and (80% beeswax+20% soft paraffin) had the most nearest properties to control (Poly wax) at 40°and 45°C and experimental modeling wax (90% beeswax +10% Starch) to control (Major) at 40°C and experimental modeling waxes (80% beeswax+20% hard paraffin), (80% hard paraffin+15% soft paraffin+5% beeswax), (70% hard paraffin+20% soft paraffin+10% Beeswax) and (90% Beeswax+10% Starch) to control (Major) at 45°C. Conclusions: Flow of waxes showed increased with the increasing heating the temperature from 40°C to 45°C.

Keywords:Flow, Wax, Vicat apparatus

 

 

Doi No:-10.18231/2278-3784.2018.0014