Dental Type of early childhood caries in which labio-lingual extension of caries occurs involving incisors and /or molars is: A Type1 ECC B Type2 ECC. C Type3 ECC. D None. 💡 Explanation Type of early childhood caries in which labio-lingual extension of caries occurs involving incisors and /or molars is: ✓ Correct Answer: B. Type2 ECC.