Podcast
Questions and Answers
What is the purpose of Gates-Glidden sizes 4, 3, and 2 in the crown-down technique?
What is the purpose of Gates-Glidden sizes 4, 3, and 2 in the crown-down technique?
- To remove pulp chamber obstructions
- To establish working length
- To enlarge canal orifices (correct)
- To complete apical preparation
When using the step-down technique, which part of the canal is flared with Gates Glidden drills or rotary files?
When using the step-down technique, which part of the canal is flared with Gates Glidden drills or rotary files?
- Coronal one third (correct)
- Canal orifices
- Apical one third
- Mid-root portion
What size file is typically used in the canal to reach the apical portion during the crown-down technique?
What size file is typically used in the canal to reach the apical portion during the crown-down technique?
- #30
- #50
- #15
- #70 (correct)
How is the final apical preparation size determined in the crown-down technique?
How is the final apical preparation size determined in the crown-down technique?
Which instrument is primarily used to establish the working length in the crown-down technique?
Which instrument is primarily used to establish the working length in the crown-down technique?
In which direction is a large file like size #70 placed in the canal during apical preparation?
In which direction is a large file like size #70 placed in the canal during apical preparation?
What is one of the primary objectives in cleaning and shaping the root canal system?
What is one of the primary objectives in cleaning and shaping the root canal system?
What is an important mechanical objective in root canal instrumentation?
What is an important mechanical objective in root canal instrumentation?
What is a biologic advantage of enlarged apical canals and finer needles in root canal treatment?
What is a biologic advantage of enlarged apical canals and finer needles in root canal treatment?
Why is it important to retain as much cervical and radicular dentin as possible during root canal instrumentation?
Why is it important to retain as much cervical and radicular dentin as possible during root canal instrumentation?
What is one of the goals that is unlikely to be fully met with current techniques in root canal instrumentation?
What is one of the goals that is unlikely to be fully met with current techniques in root canal instrumentation?
Which of the following is NOT a primary objective in cleaning and shaping the root canal system?
Which of the following is NOT a primary objective in cleaning and shaping the root canal system?
What is the main purpose of creating an apical matrix or barrier at the proper working length during apical preparation?
What is the main purpose of creating an apical matrix or barrier at the proper working length during apical preparation?
What is the function of apical patency during cleaning and shaping procedures?
What is the function of apical patency during cleaning and shaping procedures?
Why is it important to avoid forcing debris through the apical foramina?
Why is it important to avoid forcing debris through the apical foramina?
What is the average distance from the apical foramen to the apical constriction?
What is the average distance from the apical foramen to the apical constriction?
Which factor influences the choice of obturation technique in apical preparation?
Which factor influences the choice of obturation technique in apical preparation?
What is the significance of apical constriction in root canal treatment?
What is the significance of apical constriction in root canal treatment?
Flashcards are hidden until you start studying
