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Dental Working Length Definition

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Questions and Answers

What is the significance of the working length in endodontic treatment?

Determines the color of the dental pulp

Determines the amount of anesthesia required

Determines how far into the canal instruments can be placed (correct)

Determines the tooth length accurately

What are the consequences of an over-extended working length in endodontic treatment?

Increased post-operative pain (correct)

Under-filling of the root canal

Complete regeneration of cementum

Lower success rate due to incomplete regeneration

Which method is a non-radiographic way to determine the working length in endodontic treatment?

Xeroradiography

Electronic apex locator (correct)

Radio visiography (RVG)

Grossman's method

What complications may arise due to loss of working length in endodontic treatment?

Ledge formation (C) Signup and view all the answers

Why is it important to have a straight-line access in endodontic treatment?

To ensure unobstructed penetration of instruments into the apical constriction (C) Signup and view all the answers

What is the definition of anatomic apex?

The tip or end of the root determined morphologically (D) Signup and view all the answers

Where is the apical constriction typically located in relation to the apical foramen?

1 mm short of the apical foramen (C) Signup and view all the answers

What is the cementodentinal junction?

The region where cementum and dentin are united (D) Signup and view all the answers

How does the working length in Antirios relate to the insical edge?

Working length extends from the insical edge to the apical foramen (A) Signup and view all the answers

What is the radiographic apex?

The tip or end of the root determined radiographically (A) Signup and view all the answers