Oblique ridge in maxillary first molar joins which of the following cusps____________________?
Correct answer: C. ML and DB
- A. DL and DB
- B. ML and MB
- C. ML and DB
- D. DL and MB
Explanation
The oblique ridge of a maxillary molar is formed by the union of the triangular ridge of the mesiopalatal cusp with the distal ridge of the mesiobuccal cusp, conventionally described as joining the mesiolingual and distobuccal cusps. Therefore, option c is correct.
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