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Questions and Answers
What is the purpose of a special tray in dentistry?
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)?
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?
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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