Endodontic Materials by Dr. Pelin Zümrütel: Root Canal Treatment Success Factors

What type of drill is used to remove gutta-percha during root canal retreatment?

Peeso reamer drill

What is the standard length of endodontic hand instruments?

25 mm

What is the taper of standardized endodontic hand instruments?

2%

Which of the following is NOT a type of instrument used for shaping the root canal?

Rotary files Signup and view all the answers

What is the primary purpose of a barbed broach?

Removing pulp tissue Signup and view all the answers

Which of the following is a risk when using a reaming (rotational) motion with Hedstroem files?

Instrument separation Signup and view all the answers

What is the primary objective of disinfection in root canal treatment?

To clean the root canal system Signup and view all the answers

Which irrigant is considered the primary choice due to its exceptional antimicrobial action?

Sodium hypochlorite Signup and view all the answers

What is the recommended concentration range for Sodium Hypochlorite use in root canal treatment?

6-8% Signup and view all the answers

How does increasing the temperature of Sodium Hypochlorite affect its antimicrobial efficiency?

Increases efficiency Signup and view all the answers

What effect does Sodium Hypochlorite have on the mechanical properties of dentine?

Weakens dentine Signup and view all the answers

What is the main function of an Apex-Locator in endodontics?

To determine the distance to the apical foramen Signup and view all the answers

What is the primary goal of biomechanical preparation in root canal treatment?

To remove infected pulp tissue and prepare the canal for filling Signup and view all the answers

Which of the following is NOT a factor that contributes to successful root canal treatment?

Use of antibiotics after treatment Signup and view all the answers

What is the purpose of using magnification during endodontic procedures?

To enhance visibility and illumination of the treatment area Signup and view all the answers

Which of the following is NOT a type of endodontic bur mentioned in the text?

Tungsten carbide burs Signup and view all the answers

What is the primary function of a root canal explorer?

To locate and explore the orifices of the root canal Signup and view all the answers

How are endodontic instruments classified?

They are divided into 4 different groups Signup and view all the answers