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
Which is the most preferred method to manage the case of an apprehensive 7 year old child having a history of unpleasant experience with dental treatment? 
Select and explain. 
A. Voice control, B. Premedication, C. Desensitization, D. Postponing appointment
C: Desensitization
Answer: C: Desensitization 
Explanation: The objectives of tell-show-do are to: teach the patient important aspects of the dental visit and familiarize the patient with the dental setting, and shape the patient’s response to procedures through desensitization and well-described expectations. 
Note: This method was given by Addleston.