Dental Materials

Irreversible Hydrocolloids Describe the uses, advantages and disadvantages of irreversible hydrocolloid impression material. Or Explain in detail about irreversible hydrocolloids. Answer: Uses of Irreversible hydrocolloid impression: It is used for impression making When there are undercuts In the mouth with excessive flow of saliva For partial denture … [Read more...] about Irreversible Hydrocolloids

Inelastic Impression Materials Write in short about inelastic impression material and specially its advantages, disadvantages and manipulation, etc. Answer: Inelastic impression materials are known as rigid impression materials. Inelastic impression materials are set to a hard rigid mass and hence cannot be removed from undercuts without the impression being fractured … [Read more...] about Inelastic Impression Materials

Alginate Impression Dental Write a short note on diatomaceous earth. Answer: Diatomaceous earth is filer in various dental impression materials such as alginate, agar, zinc oxide eugenol impression paste, and impression compound. Diatomaceous earth is composed of remains of minute planktonic algae that were deposited millions of years ago and whose skeletons become … [Read more...] about Alginate Impression Dental

Silicone Based Impression Materials Write in detail about the manipulation and properties of silicone rubber base impression material. Answer: Silicone Rubber Base Impression Materials: There are two silicone rubber base impression materials, i.e. Condensation silicone Addition silicone Manipulation of Silicone Rubber Base Impression Materials: Following … [Read more...] about Silicone Based Impression Materials

Gypsum Products Dental Materials Write short notes on accelerators and retarders. Or Write briefs on accelerators and retarders. Or Write short notes on modifiers used in gypsum. Answer: Accelerators and Retarders: Accelerators and retarders are also called as modifiers. Modifiers are chemicals added in order to alter some of the properties and make it more … [Read more...] about Gypsum Products Dental Materials