help me with this nbde part1 question

[c8758]

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Pulp horns most likely to be exposed in a cavity preparation of a newly erupted permanent mandibular first molar are the
1. mesiofacial and mesiolingual
2. mesiolingual and distolingular
3. distofacial and distolingual
4. distofacial and mesiofacial
5. distofacial and distal
6. mesiofacial and distal

which is the right answer?

 

[shdentist]

My guess is : 1
Not sure, just a guess.

 

[jordan83]

answer 1
bcuz mesial pulp horn is higher and closer to mesial wall of the tooth.

 

[c8758]

Thanks for the reply.