Figure 8-3.Post and crown.
Figure 8-4.Post and core for anterior and posterior teeth.
from the retainer casting. A pontic occupies the space
Figure 8-5.Components of a typical FPD.
formerly filled by the crown of a natural tooth.
Part of the FPD will have metal castings, called
retainers. They are made to fit onto what the dentist
has cut away on the abutment teeth. Retainers also
secure and support the FPD's artificial tooth or teeth.
The most commonly used retainers are PFMs,
complete metal crowns, partial crowns, and onlays.
A pontic is an artificial tooth that is suspended