Mastering Special Trays in Dental Prosthetics Quiz
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Questions and Answers

What is the purpose of a special tray in dentistry?

  • To construct a stock tray for edentulous ridges
  • To confine and control an impression material for a particular patient (correct)
  • To prepare a generic device for impression materials
  • To make a primary cast for every patient
  • Why is a special tray constructed on the primary cast (study cast)?

  • Edentulous ridges show variations in shape and size (correct)
  • To reduce the cost of impression materials
  • To standardize the impression for all patients
  • To simplify the impression process
  • What distinguishes a special tray from a stock tray in dentistry?

  • It is used to control the flow of impression material
  • It is custom-made for a particular patient (correct)
  • It is designed for edentulous ridges
  • It is used for making the final impression
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