Question

which describes the typical procedure during a dental cleaning?
scale—polish—floss
floss—scale—polish
polish—floss—scale
floss—polish—scale

Explanation:

During a dental cleaning, the dentist or dental hygienist first scales (removes tartar and plaque from teeth surfaces). Then they polish the teeth (using a special paste and a rotating brush). Finally, they floss (to clean between teeth).

Answer:

scale—polish—floss