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M4W3-Pop Quiz
MODULE 4 WEEK 3-Pop Quiz (Chapter 35)
| Question | Answer |
|---|---|
| How is the bite registration wax softened for use, and what arch is the wax placed on to take the registration?# | Wax is softened with warm water and placed on the mandibular arch.# |
| What temperature is the water storage bath to maintain reversible hydrocolloid in the sol state?# | 150 Degrees F# |
| How long is agar-agar tempered before placing it in the patient's mouth?# | 5 minutes# |
| When using silicone impression material, where is the putty placed prior to insertion in the mouth?# | The material is placed in the tray.# |
| What is used to duplicate the patients occlusion on models?# | An articulate# |
| What is a negative mold of the mouth?# | Alginate impression# |
| Do silicone impression materials have the advantages of polysulfide without the disadvantages?# | Yes# |
| What is necessary for a temporary crown?# | That margins are met, fit snuggly, and accurately prepared along the margin.# |
| A mandibular impression should be taken after maxillary impression. T/F# | False. Mandibular impression should be taken first.# |
| Loading a mandibular impression tray is done in one increment. T/F# | False. A mandibular impression tray is loaded in two increments.# |
| Define thermoplastic.# | Becoming softer and pliable when exposed to heat.# |
| What are spacers?# | It is placed on model during construction to allow room in the tray for impression material.# |
| How is polyether supplied?# | It is supplied in tubes as paste.# |
| Define exothermic.# | Releasing heat during a chemical reaction.# |
| What height should maxillary and mandibular models when in occlusion?# | 3 inches# |
| How long should plaster models be soaked prior to trimming?# | 5 minutes# |
| How long should self curing acrylic trays be able to set after they are made?# | They don't need to set, they are already made.# |
| Before cementing a temporary crown what must first be checked?# | Marginal fit, contouring, and occlusion.# |
| Define calcination.# | Deriving water out of gypsum through heat.# |
| When the gingival margin of a temporary aluminum crown is trimmed, what is the result?# | It reduces the occlusion and the height of the crown.# |
| How is an alginate impression removed from a patient's mouth?# | Quick snapping motion.# |
| What stage does the acrylic resin have to be in, in order to place it on a model?# | The second stage, or doughy stage.# |
| A liquid catalyst is also called a _______.# | Monomer# |
| Curing is the same as ______________.# | Polymerization# |
| What is the biggest advantage of light cured temporary material?# | It's unlimited setting time.# |
| What is type I gypsum used for?# | Impression plaster# |
| What is type II gypsum used for?# | Model or lab plaster # |
| What is type III gypsum used for?# | Laboratory stone# |
| What is type IV gypsum used for? # | Die stone# |
Created by:
Rmontoya
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