The most constant and valuable trait to differentiate among maxillary first, second and third molars i____________?
Correct answer: C. Relative position of the distolingual grooves
- A. Number of roots
- B. Depth of central fossae
- C. Relative position of the distolingual grooves
- D. Comparative size of the cusp of carabelli
Explanation
The relative position of the distolingual groove is a dependable feature for distinguishing the maxillary first, second, and third molars. The cusp of Carabelli is much less useful because it is variable and may be absent.
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