When the Palmer Notation System (PNS) is used:
Select one:
O a. the permanent teeth are numbered from 1 to 32. Numbering begins
with the upper-right third molar, works around to the upper-left third
molar, drops to the lower-left third molar, and works around to the lower-
right third molar.
O b. the first digit indicates the quadrant, and the second digit indicates
the tooth within the quadrant, with numbering from the midline to the
posterior.
c. each of the four quadrants is given its own tooth bracket made up of a
vertical and a horizontal line.
O d. primary teeth are lettered with capital letters from A to T.