Dental Root canal treated tooth are hard to resorb because of A Lack of vitality of pulp results in loss of neuropeptides B Cementum becomes more calcified C Lack of differentiation of odontoclast because of no live cells D PDL become necrosed 💡 Explanation Root canal treated tooth are hard to resorb because of ✓ Correct Answer: A. Lack of vitality of pulp results in loss of neuropeptides