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Questions and Answers
What is the recommended access cavity outline form for central and lateral incisors?
What is the recommended access cavity outline form for central and lateral incisors?
- Rectangular in the incisal third of the lingual surface
- Circular in the middle-third of the lingual surface
- Ovoid in the middle-third of the lingual surface
- Triangular in the middle-third of the lingual surface (correct)
What type of access cavity outline form is recommended for canines?
What type of access cavity outline form is recommended for canines?
- Circular in the middle-third of the lingual surface
- Ovoid in the middle-third of the lingual surface (correct)
- Rectangular in the incisal third of the lingual surface
- Triangular in the middle-third of the lingual surface
At what depth should the bur be reoriented when establishing outline form and initial penetration into enamel?
At what depth should the bur be reoriented when establishing outline form and initial penetration into enamel?
- 2 to 3 mm (correct)
- 3 to 4 mm
- 5 to 6 mm
- 1 to 2 mm
What instruments are used for access preparation?
What instruments are used for access preparation?
Why is ovoid access cavity recommended in old age for upper anterior teeth?
Why is ovoid access cavity recommended in old age for upper anterior teeth?
What is the recommended depth for reorienting the bur when establishing outline form and initial penetration into enamel?
What is the recommended depth for reorienting the bur when establishing outline form and initial penetration into enamel?
What type of access cavity outline form is recommended for canines?
What type of access cavity outline form is recommended for canines?
What is the purpose of establishing outline form and initial penetration into enamel with the bur perpendicular to the lingual surface of the tooth?
What is the purpose of establishing outline form and initial penetration into enamel with the bur perpendicular to the lingual surface of the tooth?
Why is an ovoid access cavity recommended in old age for upper anterior teeth?
Why is an ovoid access cavity recommended in old age for upper anterior teeth?
What instruments are used for access preparation?
What instruments are used for access preparation?
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