Question 373 · LDEK · Pulp chamber and root canal anatomy
Indicate the true statements regarding the anatomy of the mandibular molars:
1) mandible molars usually have three roots;
2) outline of the access preparation is oval in shape;
3) lower first molar may have an additional, separate distal root;
4) there may be three root canals in the mesial root.
The correct answer is:
2) outline of the access preparation is oval in shape;
3) lower first molar may have an additional, separate distal root;
4) there may be three root canals in the mesial root.
The correct answer is:
- A. 1,3.
- B. 1,2.
- C. 3,4.
- D. 2,3.
- E. 2,4.
Hint
Recall the usual number of roots of lower molars, the shape of their access outline and the known variants of the mesial and distal roots.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Conservative dentistry
- Which of the statements concerning Hedstroem files is true?
- What is the shape of endodontic access in central upper incisor in young people:
- The C-shaped root canal configuration is observed most commonly in:
- This method uses the arc-lamp producing blue light, analyzer and monitor. Computer analysis provides quantitative assessment of the mineral loss in…
- Indicate the true statements about EDTA and urea based lubricants used in endodontics:
- A patient comes to the dental office with painful tooth 44, in which a resin composite restoration was placed a week ago. The initial diagnosis is…