Which of the following is NOT a disadvantage of gravity tanks?

What is the numerical value describing the status of a given population?

A) Dental category B) Dental screening C) Dental exam D) Dental index E) Both A and C

When can the prescription be billed again for the medication supplied?

a. When about 85 percent of the medication has been used b. After the patient has used up 100 percent of the medication c. When the patient has used about 50 percent of the medication d. After 80 percent of medication has been used