If the Dental Hygienist Were to Administer Two Different Local

Multiple Choice

If the dental hygienist were to administer two different local anesthetics,which MRD would she use?

A) Use the higher MRD
B) Use the lower MRD
C) Use the MRD for the local anesthetic administered in the greatest amount
D) Subtract the lower MRD from the higher MRD and use the resulting MRD