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Root Canal Irrigants: Learning Objectives and Mechanism

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Root Canal Irrigants: Learning Objectives and Mechanism

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Questions and Answers

What is the function of sodium hypochlorite in root canal treatment?

Opening of dentinal tubules

Removal of dentinal shavings

Disinfection of the canal system (correct)

Dissolution of mineralized tissue

Which factor does NOT modify the activity of irrigants?

Canal diameter (correct)

Frequency of irrigation

Temperature of the irrigant

Surface tension of irrigation solution

What is the advantage of using normal saline as an irrigating solution?

Effective dissolution of organic debris

Antimicrobial properties

Biocompatible nature (correct)

Removal of smear layer

Which chelating agent is commonly used in endodontics?

Ethylene diamine tetraacetic acid (EDTA) (C) Signup and view all the answers

What is the pH range of sodium hypochlorite, a commonly used irrigating solution?

>11 (C) Signup and view all the answers

What is the key objective of instrumentation and irrigation from a biological point of view?

To remove and eradicate microorganisms in the necrotic root canal system. (D) Signup and view all the answers

What is an ideal requirement for an irrigation solution?

Broad spectrum antimicrobial properties. (D) Signup and view all the answers

How do irrigants help prevent packing infected hard and soft tissue apically in the root canal and periapical area?

By facilitating the removal of necrotic tissue. (D) Signup and view all the answers

What function do irrigants serve in disinfecting the root canal system?

Inactivating endotoxin. (C) Signup and view all the answers

Which of the following is NOT an ideal requirement for an irrigation solution?

Weakening tooth structure. (A) Signup and view all the answers