Materials
What is the name of the mixture placed on impression trays?
Alginate
What technique can be used to reduce a patients gag reflex?
Breathe in through your nose
How many scoops of Alginate should you use?
2-4 Scoops
What is powder-to-water ratio?
1:1
What is the name that you use to put the water?
Vile
What do you pour the alginate mix and water in?
Rubber Flexi Bowl
Where should you start when placing the tray in the mouth?
Start from the back (posterior)
What temperature water should you use?
Cold Water
Fast-Setting Alginate
What are impression trays made out of?
Stainless steel, aluminum, chrome-plated, plastic, or acrylic.
What is the tool that you use to mix the Alginate mixture?
Buffalo Spatula
What is the name of the mixing technique used during the mixture process?
What should technically be poured first?
The Water
What happens if you use warm water?
It sets faster/It hardens up
What year was Alginate discover?
1880
What do you place the alginate mixture on and place in the patient's mouth?
Maxillary/Mandibular Impression Tray/
Impression Tray
What technique can you use so the Alginate can be smooth?
Press the Alginate against bowl sides in a firm circular motion
How do you know if the Alginate has been mixed properly?
Until it looks smooth and glossy
What happens if you move the tray too much when taking it out of the patient's mouth?
It will break the impression material
Who invented Alginate?
E.C.C Stanford
What type of impression tray is used on the upper part of the mouth?
Maxillary Alginate Impression Tray
Where do you wipe the Alginate to avoid bubbles?
The occlusal surfaces and facial surfaces of the central incisors
Why do we press the alginate against the bowl while mixing?
To remove air bubbles
How many seconds to you have before the Alginate dries up?
60 seconds
What is the primary source of alginate impression material?
Seaweed or Kelp