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': 'Drugs such as bisphosphonate have ____ effect on orthodontic tooth movement: \nSelect and explain. \nA. Increases response to Orthodontic force, B. Decreases response to Orthodontic force, C. Has no effect on Orthodontic force, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Two types of drugs are known to depress the response to orthodontic force and may influence current treatment: the bisphosphonate used in treatment of osteoporosis (e.g. alendronate  or risedronate ), and prostaglandin inhibitors (especially the more potent members of this group that are used in treatment of arthritis, like indomethacin)', 'role': 'assistant'}]