Podcast
Questions and Answers
What is the primary indication for Class III tooth preparations?
What is the primary indication for Class III tooth preparations?
- To create space for orthodontic brackets
- To restore esthetic prominent areas on anterior teeth (correct)
- To remove caries on the occlusal surfaces of posterior teeth
- To prepare for fabricating dental crowns
In Class III cavity preparations, what type of margins are considered the best scenario?
In Class III cavity preparations, what type of margins are considered the best scenario?
- Mixed enamel and dentin margins
- Enamel margins only (correct)
- Dentin margins only
- No specific margin type is preferred
What is the depth of the box shape in Class III cavity preparations on the root surface?
What is the depth of the box shape in Class III cavity preparations on the root surface?
- 1.5mm
- 0.5mm
- 0.75mm (correct)
- 1mm
What is the required angle for the cavosurface margin in Class III cavity preparations?
What is the required angle for the cavosurface margin in Class III cavity preparations?
When is the groove retention used in Class III tooth preparations?
When is the groove retention used in Class III tooth preparations?
What is the purpose of beveled conventional cavity preparation?
What is the purpose of beveled conventional cavity preparation?
What are the indications for minimal invasive (modified) conventional cavity preparation?
What are the indications for minimal invasive (modified) conventional cavity preparation?
What is the depth of the box shape in Class IV cavity preparations in dentin?
What is the depth of the box shape in Class IV cavity preparations in dentin?
'Class IV tooth preparations' are located on which surfaces of teeth?
'Class IV tooth preparations' are located on which surfaces of teeth?
'Conventional cavity preparation' for Class III restorations may be indicated when:
'Conventional cavity preparation' for Class III restorations may be indicated when:
In Class III cavity preparations, what is the purpose of 'tooth preparation have all – enamel margins'?
In Class III cavity preparations, what is the purpose of 'tooth preparation have all – enamel margins'?
What is the primary purpose of preparing 'large Class III tooth preparation extending onto root surface'?
What is the primary purpose of preparing 'large Class III tooth preparation extending onto root surface'?
What is the main reason for beveling the enamel walls in a conventional cavity preparation?
What is the main reason for beveling the enamel walls in a conventional cavity preparation?
What is the main feature of a modified cavity preparation?
What is the main feature of a modified cavity preparation?
In a small, scoop-shaped Class III tooth preparation, what should the outline form ideally not include?
In a small, scoop-shaped Class III tooth preparation, what should the outline form ideally not include?
What is the preferred approach for beginning a Class III tooth preparation?
What is the preferred approach for beginning a Class III tooth preparation?
When is the facial approach used for tooth preparation?
When is the facial approach used for tooth preparation?
What is the primary reason for using diamond stones for tooth preparation?
What is the primary reason for using diamond stones for tooth preparation?
Which of the following is a cause of class IV tooth preparations?
Which of the following is a cause of class IV tooth preparations?
What is the main objective of bevelled cavosurface margins?
What is the main objective of bevelled cavosurface margins?
Why is it important not to place a bevel in certain situations?
Why is it important not to place a bevel in certain situations?
What is the purpose of bevelling in composite restoration?
What is the purpose of bevelling in composite restoration?
In which area would retention be made on bonding dentin and gingival groove?
In which area would retention be made on bonding dentin and gingival groove?
What is the purpose of hollow ground in composite restoration?
What is the purpose of hollow ground in composite restoration?
When is a long bevel used in composite restoration?
When is a long bevel used in composite restoration?
What is the purpose of scalloping in composite restoration?
What is the purpose of scalloping in composite restoration?
What type of bevel involves grinding the entire enamel wall when there is not enough thickness of enamel for retention?
What type of bevel involves grinding the entire enamel wall when there is not enough thickness of enamel for retention?
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