Based on the selection criteria guidelines, what is the radiographic recommendation for bitewing radiographs on an adult recall patient with no clinical caries and no high-risk factors for caries? a....

Based on the selection criteria guidelines, what is the radiographic recommendation for bitewing radiographs on an adult recall patient with no clinical caries and no high-risk factors for caries?

a. Every 6–12 months

b. Every 12–18 months

c. Every 18–24 months

d. Every 24–36 months