Question 68 · LDEK · Access and canal preparation
What is the shape of the access cavity preparation for endodontic treatment in the maxillary first molar?
- A. triangle, with the base to the buccal surface, and the apex toward the palatal surface.
- B. triangle, with the base to the palatal surface, and the apex toward the buccal surface.
- C. triangle, with the base to the mesial surface, and the apex toward the distal surface.
- D. triangle, with the base to the distal surface, and the apex toward the mesial surface.
- E. oval, flattened in the mesio-distal direction.
Hint
Locate the three main canal orifices of a maxillary first molar and note which side of the chamber holds two of them.
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