Dental Which of the following is a major pattern of accessory canals in mandibular first molar is? A Single furcation canal which is extend from pulp chamber to intra-redicular region B A lateral canal extends from coronal third to furcal region particular in distal canal C Presence of both lateral and furcal canal D Pattern is variable and age dependent 💡 Explanation Which of the following is a major pattern of accessory canals in mandibular first molar is? ✓ Correct Answer: B. A lateral canal extends from coronal third to furcal region particular in distal canal