Question 77 · LDEK · Immature permanent teeth
Indicate the correct sequence of apexification procedure with a use of calcium hydroxide paste Ca(OH)₂, during the first dental visit:
1) making an x-ray;
2) placing a rubber dam;
3) removal of necrotic pulp;
4) making an access to the pulp chamber and canals in the roots;
5) drying the root canal;
6) measuring the working length by taking an x-ray of a tooth with a file inside the canal;
7) shaping the root canal and rinsing the canal with disinfectants;
8) placing calcium hydroxide paste (CaOH)₂ in the canal;
9) tight sealing of the tooth crown.
The correct answer is:
2) placing a rubber dam;
3) removal of necrotic pulp;
4) making an access to the pulp chamber and canals in the roots;
5) drying the root canal;
6) measuring the working length by taking an x-ray of a tooth with a file inside the canal;
7) shaping the root canal and rinsing the canal with disinfectants;
8) placing calcium hydroxide paste (CaOH)₂ in the canal;
9) tight sealing of the tooth crown.
The correct answer is:
- A. 1,2,3,4,5,6,7,8,9.
- B. 1,2,4,3,6,7,5,8,9.
- C. 1,2,3,4,7,5,6,8,9.
- D. 1,2,3,6,4,5,7,8,9.
- E. 1,2,4,3,5,6,7,8,9.
Hint
You cannot remove pulp before gaining access, and the canal is dried only after shaping and irrigation.
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