Isolation, Endodontic Access, and Length Determination Quiz

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What is the recommended shape to access preps for a normal tooth with radiographic evidence of pulp chamber and canal space?

Round form

Ribbon/figure-eight form

Outline form (correct)

Ovoid form

Which tooth type is most likely to have straight line access to the apical canal/first curvature?

Anterior teeth (correct)

Premolars

Molars with bifurcations

Posterior teeth with trifurcations

What is the purpose of caries removal before entering the pulp chamber or radicular space?

To prevent materials from entering the canal space

To facilitate unstrained instrument placement

To develop an aseptic environment (correct)

To assess for restorability before treatment

What is the major concern of cleaning the periphery before entering the pulp chamber and canal space?

Preventing materials from entering the chamber and canal space Signup and view all the answers

Which canal morphology is common in lower molars among the Asian population?

C-shape Signup and view all the answers

When should a rubber dam be placed before performing endodontic procedures?

Before entering the pulp chamber or radicular space Signup and view all the answers

Which type of tooth is most likely to have absent pulp horns?

Anterior teeth Signup and view all the answers

What is the primary purpose of convenience form in endodontic procedures?

To facilitate unstrained instrument placement and manipulation Signup and view all the answers

What effect does attrition have on pulp horns?

It causes dead tracts and sclerotic dentin to appear Signup and view all the answers

What should be used to detect canal orifice or dislodge calcifications during endodontic procedures?

Sharp endo explorer Signup and view all the answers

What is the purpose of using isolation during endodontic treatment?

To enhance visibility and protect the patient from laceration, ingestion, and systemic diseases Signup and view all the answers

What are the components of a rubber dam (RD) used for isolation in endodontic treatment?

Latex and Non-Latex RD with light, medium, heavy thickness Signup and view all the answers

What preparation may be necessary before placing a rubber dam in cases where there is not much tooth structure to clamp?

Removing decay and building up to allow proper isolation Signup and view all the answers

Where is the general location of the pulp in teeth?

At the level of the height of contour on the crown Signup and view all the answers

What is the significance of pulp horns being more prominent in young teeth?

They are at about the level of height of contour and aid in identifying pulp location Signup and view all the answers

Why is plastic recommended over metal frames for rubber dam placement in endodontic treatment?

Plastic frames do not block x-rays compared to metal frames Signup and view all the answers

When using a non-wing clamp, what should be placed first before clamping?

Rubber Dam (RD) Signup and view all the answers

What is the purpose of using caulk in rubber dam placement during endodontic treatment?

To fill spaces where the dam cannot reach, such as when isolated around bridges Signup and view all the answers