Erika Is a College Student Who Has Never Experienced Dental

Multiple Choice

Erika is a college student who has never experienced dental decay.Recently,she slipped and fell down a flight of stairs.Although she had bumps and bruises after the fall,she did not break any bones.Which of the following practices is the most likely reason for Erika's strong bones and decay-resistant teeth?

A) Taking vitamin K supplements daily
B) Chewing iron pills before swallowing them
C) Drinking fluoridated water
D) Eating a high-protein,low-carbohydrate diet