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 of the following techniques would be the best preventive measure for dental caries? 
Select and explain. 
A. Elimination of sugars from the diet, B. Reduce frequency of intake of cariogenic food stuffs, C. Rinse and swish with water after each meal and snacks, D. Substitution of alcohol-based sugar for sucrose
D: Substitution of alcohol-based sugar for sucrose
Answer: D: Substitution of alcohol-based sugar for sucrose 
Explanation: None