Figure 8-3. - Post and crown.
Figure 8-4. - Post and core for anterior and posterior teeth.
Figure 8-5. - Components of a typical FPD.
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.
Pontics A pontic is an artificial tooth that is suspended from the retainer casting. A pontic occupies the space formerly filled by the crown of a natural tooth.Continue Reading