Podcast
Questions and Answers
What is the primary purpose of a dental impression?
What is the primary purpose of a dental impression?
- To construct a custom tray for impression materials
- To accurately record the dimensions of oral tissues (correct)
- To record the fine details of the oral structures
- To create a positive replica of the oral tissues
Which type of impression does not register fine details?
Which type of impression does not register fine details?
- Special tray impression
- Primary impression (correct)
- Stock tray impression
- Secondary impression
What is the main function of a dental tray in the context of impressions?
What is the main function of a dental tray in the context of impressions?
- To carry the impression materials into the patient’s mouth (correct)
- To record the fine details of oral structures
- To provide support to oral tissues
- To create a negative replica of teeth
Which material is predominantly used to make stock trays for primary impressions?
Which material is predominantly used to make stock trays for primary impressions?
What is a characteristic requirement of ideal impression materials?
What is a characteristic requirement of ideal impression materials?
Among the properties listed, which is NOT a requirement for ideal impression materials?
Among the properties listed, which is NOT a requirement for ideal impression materials?
What is the purpose of Type II tray compound in dentistry?
What is the purpose of Type II tray compound in dentistry?
What is the composition of Type II tray compound mainly made of in terms of percentage?
What is the composition of Type II tray compound mainly made of in terms of percentage?
Which statement best describes the reaction of Type II tray compound upon heating and cooling?
Which statement best describes the reaction of Type II tray compound upon heating and cooling?
How is Type II tray compound manipulated for use?
How is Type II tray compound manipulated for use?
What is the role of filler in Type II tray compound?
What is the role of filler in Type II tray compound?
How does Type II tray compound differ from acrylic special tray?
How does Type II tray compound differ from acrylic special tray?
Which statement about the thermal properties of impression compounds is correct?
Which statement about the thermal properties of impression compounds is correct?
Which of the following is NOT a cause of warpage in impression compounds?
Which of the following is NOT a cause of warpage in impression compounds?
Which property of impression compounds is desirable for their manipulation?
Which property of impression compounds is desirable for their manipulation?
What is the recommended technique for softening impression compound sticks?
What is the recommended technique for softening impression compound sticks?
Which of the following is NOT an advantage of impression compounds?
Which of the following is NOT an advantage of impression compounds?
What is a potential hygiene concern with the use of impression compounds?
What is a potential hygiene concern with the use of impression compounds?
What is the primary function of the inert oil in the base paste of zinc oxide eugenol (ZOE) impression material?
What is the primary function of the inert oil in the base paste of zinc oxide eugenol (ZOE) impression material?
What is the role of the catalyst paste (accelerator or reactor) in the setting reaction of ZOE impression material?
What is the role of the catalyst paste (accelerator or reactor) in the setting reaction of ZOE impression material?
What is the primary chemical reaction involved in the setting of ZOE impression material?
What is the primary chemical reaction involved in the setting of ZOE impression material?
Which statement about the manipulation of ZOE impression material is correct?
Which statement about the manipulation of ZOE impression material is correct?
What is the primary function of zinc acetate, $MgCl_2$, or $CaCl_2$ in the catalyst paste of ZOE impression material?
What is the primary function of zinc acetate, $MgCl_2$, or $CaCl_2$ in the catalyst paste of ZOE impression material?
Which statement about the working time of ZOE impression material is correct?
Which statement about the working time of ZOE impression material is correct?
What is the initial setting time for Zinc Oxide Eugenol (ZOE) impression paste?
What is the initial setting time for Zinc Oxide Eugenol (ZOE) impression paste?
How does water, high humidity, and high temperature affect the setting time of ZOE impression material?
How does water, high humidity, and high temperature affect the setting time of ZOE impression material?
What is a factor that accelerates the reaction and setting time of ZOE impression paste?
What is a factor that accelerates the reaction and setting time of ZOE impression paste?
What is a correct statement about the dimensional changes of ZOE impression material?
What is a correct statement about the dimensional changes of ZOE impression material?
What is a common use of ZOE impression paste?
What is a common use of ZOE impression paste?
What material is often used as the model material for ZOE impressions?
What material is often used as the model material for ZOE impressions?
