Figure 4-41.Features of occlusal surfaces of maxillary first
MAXILLARY SECOND MOLAR
The maxillary second molar (tooth #2 or #15),
illustrated in figure 4-42, is the seventh tooth from the
midline. The second molars are often called 12-year
molars because they erupt when a child is about 12
Because it has the same function as the maxillary
first molar, its physical characteristics are basically the
same. The second molar is smaller, the occasional fifth
cusp of Carabelli does not appear, and there is a
marked reduction in the size of the distolingual cusp.
MAXILLARY THIRD MOLAR
The maxillary third molar (tooth #1 or #16),
illustrated in figure 4-43, is the eighth tooth from the
midline. Third molars are often called wisdom teeth
Figure 4-42.Surfaces of maxillary second molar.
Figure 4-43.Surfaces of maxillary third molar.
because they erupt when the young adult is passing into
manhood or womanhood. The tooth is much smaller
than the maxillary first or second molars, with an
occlusal outline that is nearly circular.