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Hamad Impression Materials 01/12/2021
A. Condensation polysillicon
B. Addition Polysilicon
D. A and B
- The base paste of the condensation poly sillicone has a low molecular weight dimethyl siloxane with a terminal-group_______________?
- A. Marcaptan group B. Hydroxyl group C. Silane group D. Virryl group...
- Inelastic impression material is_____________?
- A. Impression compound B. Alginate C. Agar-agar D. Polyether...
- The process of changing the rubber base product or liquid polymer, to a rubber like material is generally known as_____________?
- A. Boiling B. Condensation C. Vulconization D. Chain lengthening...
- Which of the following best describes the working time of elastomeric impression material ?
- A. After the start of appearing elastic properties of impression material B. Just after the start of appearing elastic properties of impression material C. Just before the start of appearing elastic properties of impression material D. Loss of luster of impression material...
- Perforated impression tray are used for_______________?
- A. Alginate B. Zinc oxide-eugenol C. Agar-agar D. Impression compound...
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