Which of these statements is false?
A) Post and core restorations resemble implants radiographically.
B) Retention pins have a shape that is easy to identify on the radiograph.
C) Retention pins are located in the dentin only.
D) Post and core restorations are always observed in conjunction with endodontic filling material.
A
Explanation: A) Post and core restorations build up a tooth so that it can support a crown. A post and core would appear within a pulp chamber of a tooth that has been treated endodontically. An implant takes the place of a missing tooth.
B) Post and core restorations build up a tooth so that it can support a crown. A post and core would appear within a pulp chamber of a tooth that has been treated endodontically. An implant takes the place of a missing tooth.
C) Post and core restorations build up a tooth so that it can support a crown. A post and core would appear within a pulp chamber of a tooth that has been treated endodontically. An implant takes the place of a missing tooth.
D) Post and core restorations build up a tooth so that it can support a crown. A post and core would appear within a pulp chamber of a tooth that has been treated endodontically. An implant takes the place of a missing tooth.
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