Orthodontics · single question
The buccal groove of the mandibular first molar is the continuation of which lingual groove?
Show answer and explanation
Correct answer: A. Lingual groove
- A. Correct. The lingual developmental groove of the mandibular molar continues buccally as the buccal groove, bisecting the buccal surface and extending onto the buccal surface of the crown.
- B. The distal groove is a separate developmental groove on the distal aspect of the molar.
- C. The mesiobuccal groove is on the mesial buccal surface and is not the continuation of the lingual groove.
- D. The central groove runs buccolingually across the occlusal surface but is not a direct continuation of the lingual groove to the buccal.