In the triangle formed by the projection of the orifices of the canals of a maxillary molar, the_________________?
Correct answer: C. Line connecting mesial with lingual is longest
- A. Line connecting mesial with distal is longest
- B. Line connecting distal with lingual is longest
- C. Line connecting mesial with lingual is longest
- D. Angle at the mesio facial canal is obtuse
Explanation
The three main canal orifices of a maxillary molar form a triangle, with the mesial-lingual distance generally being the longest side. The palatal orifice lies lingual to the two buccal orifices and forms the third point of this triangle.
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