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Agar Agar is an example of a reversible hydrocolloid impression material. An example of an irreversible hydrocolloid material is:

The physical stages of addition polymerization in order are

 The smear layer

What type of impression tray takes an impression of both the upper and lower arches while taking an impression of the person’s occlusion?

Which type of dental implant involves placing a metal frame under the periosteum but on top of the bone?

Integration of the implant fixture into the living bone tissue is called

If the dental assistant/hygienist adds too much water (increasing the water/powder ratio) to the gypsum mix what effect will this have?

Calcium hydroxide serves as a protective barrier between tooth tissues (dentin and pulp) and acidic containing cements and restorative materials.

What is the working time?

Composite resins are often classified according to their filler size.