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': 'A 5 year old male patient complains of multiple decayed teeth and gives a history of frequent snacking and consumption of sugar containing beverages and low socio-economic status. Intraoral examination shows multiple interproximal carious lesions. Which may be recommended by the dentist to this child? \nSelect and explain. \nA. Aspartame, B. Xylitol, C. Complex carbohydrates, D. Saccharin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Xylitol is a sweetener that inhibits the growth of MS. Numerous studies seem to confirm its anticariogenic capability. Clinically effective levels of xylitol show MS strains with reduced adhesion to the teeth and other reduced virulence properties, such as less acid production. Xylitol has been tested as an additive to a variety of foods and to dentifrices. However, the vast majority of published data come from studies in which xylitol was incorporated into chewing\xa0 gum. Clinicians may consider recommending xylitol use to moderate- or high-caries-risk\xa0 patients.\xa0 Those\xa0 recommending\xa0 xylitol should be familiar with the product labeling and recommend\xa0 age-appropriate\xa0 products.\xa0 They\xa0 should\xa0 routinely reassess a child for changes in caries-risk status and adjust\xa0recommendations accordingly.\nNOTE- MS- Mutans Streptococci.', 'role': 'assistant'}]