Anatomy and Morphology

Which of the following are goals for a properly designed access cavity?

• Be able to locate all canals

   

• Provides straight-line access

• Allows appropriate cleaning and shaping

• All of the above

What is the most prominent mistake shown in the picture?

• Missing a canal

• Improper rubber dam isolation

• Failed to deroof the pulp chamber

• Improper outline form of the access cavity

The ideal shape of an access cavity of an upper central incisor is

• Triangle

• Inverted triangle

• Oval

• Rhomboidal

What preoperative radiograph is used most often for endodontic procedures?

• Pano

• Periapical radiograph

• CBCT

• Bite-wing radiograph

What is the ideal shape of a mandibular molar access cavity?

• triangular

• oval

• rectangular

• none of the above is true

Which of the following can be used for coronal flaring? (select all that apply)

• High-speed round bur

• Gates Glidden drill

• Straight fissure bur

• Orifice opener

What is the ideal shape of a maxillary molar access cavity?

• rounded triangle

• oval

• rectangular

• circular

Which bur is used to refine convenience form for an access cavity?

• high-speed round bur

• straight fissure bur

• slow-speed round bur

• Safe-ended bur

What is the outline form/shape for endodontic access in a maxillary premolar?

Match the root to the percentage of time the root has 2 canals

• 15.6%

• MB root of Maxillary 1st Molar

• 81.2%

• Mandibular First Premolar

• 31.3%

• Distal root of Mandibular 1st Molar

• 59.9%

• Mandibular Central Incisor

• 28.9%

• Maxillary 1st Premolar