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': 'Lip furrow band refers to: \nSelect and explain. \nA. Vestibular lamina, B. Dental lamina, C. Successional lamina, D. Dental vestibule', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Vestibular lamina is labial and buccal to the dental lamina in each arch, and is also known as Lip furrow band.', 'role': 'assistant'}]