Dental Maximum number of developmental grooves are present on the cingulum of: A Permanent maxillary lateral incisor. B Permanent mandibular central incisor. C Permanent maxillary canine. D Permanent mandibular lateral incisors. 💡 Explanation Maximum number of developmental grooves are present on the cingulum of: ✓ Correct Answer: B. Permanent mandibular central incisor.