This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
[{'content': 'Dental cuticle refers to \nSelect and explain. \nA. Enamel cuticle, B. Cemental cuticle, C. Secondary enamel cuticle and cemental cuticle, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Reduced enamel epithelium is formed from the outer enamel epithelium and stellate reticulum after the completion of enamel formation.\nCoronal cementum is the acellular afibrillar cementum (AAC), which is a mineralized ground substance containing no cells and is devoid of extrinsic and intrinsic collagen fibers. It is formed due to the premature toss of the reduced enamel epithelium protecting the newly formed enamel at the cervical region.\nThe ameloblasts are replaced by the oral epithelial cells during the tooth eruption. These cells form the secondary enamel cuticle which extends over the cementum called cemental cuticle. \xa0Secondary enamel cuticle and cemental cuticle are together referred as dental cuticle.', 'role': 'assistant'}]