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Across 2. Absorption of water 3. When should the alginate impression be poured 6. Process of contracting with time when water is lost 8. A material used for preliminary impressions 10. Used to pour a study Model 11. Type of tray constructed exclusively for one patient 12. Reversible Hydrocolloid 13. The hardest of the gypsum products 15. Using warmer water will have this effect on the alginate setting time 16. Where do we place the single increment of alginate for the maxillary arch

Down 1. A record that simulates how the patients arches occlude. 4. Which alginate impression should be taken first 5. A positive replica of the teeth and oral tissues 7. The term used to mix alginate 9. The regular set aginate should be mixed under this time frame 10. An elastic solid 14. How many increments of material used when placing alginate into a mandibular tray