Gypsum Materials CARDS - Gypsum Materials Brand Name:...

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                                 Gypsum Materials Material:   Dental Stone – Type III  ( Calcium Sulfate )  Brand Name:   Hydrock – Kerr Use:   pouring up impressions which will be used for working models,  opposing  models for lab work such as crows, bridges, onlays or inlays Instruments:   2 mixing bowls, 2 plaster spatula, wax spatula or cement spatula, ml. measuring cylinder, scale, wetting solution, vibrator covered with plastic, plastic slab and/or model base former PPE: Exam gloves with Overgloves Mixing Time:   30 - 60 seconds then vibrate for 15 seconds Ratio:   100 grams of powder to 30 – 32 ml. of water Mixing:   pour powder into water, spatulate getting all the powder from  the sides of the bowl, then vibrate to remove air bubbles. Setting Time:
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This note was uploaded on 02/10/2012 for the course DENTAL ASS 173 taught by Professor Clarke during the Spring '10 term at Diablo Valley College.

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