Ace the California RDA Written Exam 2025 – Drill, Fill, and Thrill Your Way to Success!

Question: 1 / 400

Which custom tray technique uses a volatile hazardous material?

Silicone impression

Alginate impression

Polyether impression

acrylic resin

Acrylic resin is a type of plastic material that can emit a strong odor and release harmful vapors during its curing process. Its use in custom tray technique involves heating it in a stove or heating unit to achieve the required flexibility which can result into releasing toxic fumes. This technique is not recommended for patients who are sensitive or allergic to these chemicals. The other options, silicone, alginate, and polyether impressions do not involve the use of hazardous materials in their fabrication process, making them safer options for patients.

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