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10 Questions

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Endodontic Irrigation Techniques

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Questions and Answers

What is the Smear Layer composed of?

Only dentin particles

Only retained irrigants

Dentin particles, pulp tissue remnants, bacterial components, and retained irrigants (correct)

Only bacterial components

Why is it important to remove the Smear Layer?

To allow medicaments to penetrate dentinal tubules (correct)

To prevent pulp tissue removal

To clean the infected areas

To dissolve necrotic tissue

What is the most commonly used irrigating solution in root canal treatment?

Sodium chloride (NaCl)

Sodium iodide (NaI)

Sodium hypochlorite (NaOCl) (correct)

Sodium hydroxide (NaOH)

What is the ability of Sodium hypochlorite (NaOCl)?

Dissolve pulp tissue and biofilms Signup and view all the answers

What is the mode of action of Sodium hypochlorite (NaOCl)?

Contacts tissue proteins; peptide links are fragmented and proteins disintegrate Signup and view all the answers

What is the result of peptide links being fragmented and proteins disintegrate?

Hydrogen in the amino groups (-NH-) is replaced by chlorine (-NCl-) Signup and view all the answers

What is formed when Sodium hypochlorite (NaOCl) contacts tissue proteins?

Nitrogen, formaldehyde, and acetaldehyde Signup and view all the answers

What is the importance of Sodium hypochlorite (NaOCl) in endodontics?

It is the most commonly used irrigant Signup and view all the answers

What is the characteristic of an ideal irrigant?

It should have most of the preferred characteristics Signup and view all the answers

What is the result of using Sodium hypochlorite (NaOCl) in root canal treatment?

Necrotic tissue and pus are dissolved and the antimicrobial agent can better reach and clean the infected areas Signup and view all the answers