Exam (elaborations)
Ch 47 Laboratory Materials and Procedures - EFDA Questions and Answers 2024
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Ch 47 Laboratory Materials and Procedures - EFDA
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Ch 47 Laboratory Materials andProcedures - EFDA
Where would the dental laboratory be located in a dental office? - answer The dental
laboratory would be a separate space, away from the patient treatment areas.
What specialty practices might have a more extensive laboratory setup? - answer
Specialty practices such as orthodontics, pediatric dentistry, and prosthodontics might
have more extensive dental laboratories.
What would be an example of a contaminated item that would be brought into the dental
laboratory? - answer An impression would be a contaminated item brought into the
dental laboratory.
What piece of equipment is used to grind away plaster or stone? - answerA model
trimmer
What piece of equipment does the dentist use to determine centric relation on a
diagnostic model? - answerA face bow
What is the most common wax spatula size used in the laboratory? - answerThe #7 wax
spatula
What is another term for a dental model? - answerstudy cast
What dental materials are used to make dental models? - answerGypsum products
What are the three forms of gypsum? - answermodel plaster, dental stone, and high-
strength stone.
What is the water-to-powder (g/ml) ratio of plaster? - answer100 g of powder to 45 to 50
ml of water.
When mixing gypsum materials, do you add the "powder to the water" or the "water to
the powder"? - answerthe powder to the water.
In what are gypsum materials mixed? - answera specialized rubber bowl.
What are the two parts of a dental model? - answeranatomic and art portions.
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