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': 'Most commonly recommended method of removing plaque from the interdental area: \nSelect and explain. \nA. Dental floss., B. Wooden tips, C. Plastic tips., D. Interdental brushes.', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Dental floss is the most commonly recommended mothod of removing plaque from the interdental area.\nTypes of dental floss:\n\nTwisted or non-twisted\nBonded or non-bonded\nWaxed or unwaxed\nThick or thin', 'role': 'assistant'}]