Question

Which of the following is true of caries?

Root surface caries is more common in younger patients (not this one)
Teeth must be in the mouth for at least 1 year before caries will form
Proximal caries progresses much faster than occlusal caries
Once it is filled, a tooth cannot decay again

Answer 1

Teeth must be in the mouth for at least 1 year before caries will form is true of caries.

Step-by-step explanation:

Teeth must be in the mouth for at least 1 year before caries will form is true of caries. Caries, or dental cavities, are microbial lesions that cause damage to the teeth due to the acids produced by bacteria feeding on sugars in the mouth. It takes time for these acids to erode the enamel and cause decay.