Question 319 · LDEK · Pulp chamber and root canal anatomy

Where can you find root canals orifices shown in the pictures below?

Figure for the question
  1. A. (1) and (2) in the first upper molar.
  2. B. (1) in the first upper molar (2) in the second upper molar.
  3. C. (1) in the first lower molar (2) in the first upper molar.
  4. D. (1) in the first upper moral, (2) in the first lower molar.
  5. E. (1) and (2) in lower molars.
Hint

Count the orifices and note on which side the paired orifices lie and where the single large oval one is.

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