WK3 Prosthodontics & Endodontics

True or False: If a patient has active periodontal disease, they need to have it treated before you can start their prosthodontic treatment.

• True

• False

All of the following are cases that would need a crown EXCEPT:

• Molar that received root canal treatment

• Premolar with deep periodontal pocket

• Premolar with fractured cusps

• Molar with large amalgam restoration with recurrent decay

The component of a fixed bridge that replaces a missing natural tooth is the ______. (see blue arrows)

• Abutment

• Retainer

• Pontic

• Connector

Which of the following is not a fixed restoration?

• Crown

• Bridge

• Veneer

• Complete denture

Which of the following is false about crowns?

• Covers all cusps of a posterior tooth

• Made of gold, porcelain, porcelain fused to metal, or zirconia

• Unbreakable even if you chew hard foods

• Nightguard should be used to protect crowns in patients who brux

True or False: A tooth has the same number of roots as it does root canals.

• True

• False

All of the following are functions of the pulp EXCEPT:

• Provides nerve sensation to the odontoblasts

• Provides nutrition to the odontoblasts

• Promotes enamel repair in response to damage

• Forms immune responses

• All of the above

Which anatomical landmark of the root canal is used most often as the reference point for the working length when cleaning, shaping, and filling?

• Apical constriction

• Cemento-dentinal junction

• Apical foramen

• Anatomic apex

Why is it important to have straight line access to the root canals during RCT?

• Allows feeling for canal openings without needing to see them

• Shape of access helps guide instruments directly into canal openings

• Makes cleaning and shaping (and your life) much easier!

• Avoids instrumentation errors like perforation

• All of the above

What material is used to irrigate the root canal during RCT?

• EDTA

• Calcium hydroxide

• Sodium hypochlorite

• Gutta percha

• Any of the above