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