Endodontic Procedure Techniques
39 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary nature of the smear layer created by instrumentation?

  • Organic
  • Necrotic
  • Bacterial
  • Inorganic (correct)

Which of the following is NOT a current method of smear layer removal?

  • Laser (correct)
  • Ultrasonics
  • Chemicals (EDTA and sodium hypochlorite solutions)
  • Sonics

What is the effect of the smear layer on the quality of root canal treatment?

  • It prevents the close adaptation of root filling materials to canal walls
  • It has no impact on root canal treatment
  • It may prevent the penetration of intracanal medicaments and sealers into the dentinal tubules (correct)
  • It enhances the penetration of intracanal medicaments and sealers into the dentinal tubules

What are the components of the smear layer created by instrumentation?

<p>Calcific, organic, bacterial, and necrotic tissue (B)</p> Signup and view all the answers

Which technique is commonly used for smear layer removal?

<p>Ultrasonics (B)</p> Signup and view all the answers

What may interfere with the close adaptation of root filling materials to canal walls?

<p>Smear layer (D)</p> Signup and view all the answers

How can the smear layer be removed from root canal walls?

<p>Chemicals and sonics (D)</p> Signup and view all the answers

What can the thick smear layer created by instrumentation prevent?

<p>The penetration of intracanal medicaments and sealers into the dentinal tubules (D)</p> Signup and view all the answers

Which method is recommended to remove the inorganic (calcium salts) from the smear layer?

<p>EDTA (C)</p> Signup and view all the answers

What is the primary purpose of sodium hypochlorite in root canal treatment?

<p>To remove organic constituents of the smear layer (B)</p> Signup and view all the answers

In what type of canal preparation is lateral condensation of cold gutta-percha not the technique of choice?

<p>Canals with a continuous taper matching the spreader/ plugger (D)</p> Signup and view all the answers

What is the main purpose of establishing a higher quality apical seal in root canal treatment?

<p>To prevent bacterial leakage and reinfection (C)</p> Signup and view all the answers

What is the recommended size for a spreader to be used in most cases regardless of the master cone size?

<p>#25 (B)</p> Signup and view all the answers

What are the standardized sizes and shapes of gutta-percha points meant to match?

<p>Sizes and shapes of the spreaders/pluggers (C)</p> Signup and view all the answers

Which test is used to determine if the primary gutta-percha point is visually suitable for a root canal?

<p>Visual test (C)</p> Signup and view all the answers

What is the purpose of using sealer in root canal treatment?

<p>To facilitate the condensation of gutta-percha (C)</p> Signup and view all the answers

Which method can be used for placing the master point (master GP cone) with the sealer?

<p>Coating it with sealer and slowly moving it to full working length (B)</p> Signup and view all the answers

What is the purpose of using a spreader in root canal obturation?

<p>To apply a lateral force for condensation (D)</p> Signup and view all the answers

What is the risk of using excessive compaction forces during lateral compaction?

<p>Fracturing of the gutta-percha (D)</p> Signup and view all the answers

What is the purpose of using an accessory cone in root canal obturation?

<p>To seal the foramen with gutta-percha (D)</p> Signup and view all the answers

What is the significance of searing protruding points at the orifice of the canal?

<p>To create a coronal seal (A)</p> Signup and view all the answers

Why is it important for the obturation mass to have no voids during root canal obturation?

<p>To ensure proper adaptation to the canal walls (B)</p> Signup and view all the answers

What is the potential consequence of inadequate condensation during root canal obturation?

<p>Vertical root fracture (D)</p> Signup and view all the answers

What is the purpose of using a scalpel blade on a glass slab when cutting the cone?

<p>To create a smooth GP surface (D)</p> Signup and view all the answers

What is 'tugback' in reference to root canal treatment?

<p>The resistance upon removal of gutta-percha from the canal (D)</p> Signup and view all the answers

What is the purpose of the 'radiograph test' in root canal treatment?

<p>To confirm the visual and tactile tests for the trial point (A)</p> Signup and view all the answers

What should be done if the radiograph shows that the gutta-percha point was forced beyond the apex?

<p>Shorten the gutta-percha point from the fine end and return it to proper position (B)</p> Signup and view all the answers

What is the purpose of placing an absorbent paper point in the canal while preparations are being made to cement the filling point?

<p>To absorb excess moisture or blood that might accumulate (C)</p> Signup and view all the answers

What is considered an ideal consistency for root canal cement when mixing it?

<p>A thick, creamy consistency that can be held for 10 seconds on an inverted spatula (B)</p> Signup and view all the answers

What might cause a sensation of much greater intensity than periapical tissue during root canal treatment?

<p>Pulp remnants from a short preparation (C)</p> Signup and view all the answers

What should be done if an initial gutta-percha point does not go completely into place?

<p>Re-instrument the canal with a new file of the same number until it's loose in the canal, or select a smaller size gutta-percha point (C)</p> Signup and view all the answers

What is the primary purpose of making an obturation verification radiograph?

<p>To assess the length of the obturation (B)</p> Signup and view all the answers

In which teeth should the gutta-percha be removed 1mm apical to the gingival margin?

<p>Maxillary right central incisor (C)</p> Signup and view all the answers

What is an example of an adequate feature reflecting proper shaping in obturation?

<p>Level of GP removal (B)</p> Signup and view all the answers

Why is it important to have a properly placed coronal restoration in obturation?

<p>To provide a good coronal seal (B)</p> Signup and view all the answers

What is a disadvantage of not having a proper coronal seal?

<p>Risk of voids and unfilled canal space (C)</p> Signup and view all the answers

What is an advantage of making an obturation verification radiograph before searing off excess GP?

<p>Allows for complete removal of gutta-percha by grasping the cones (C)</p> Signup and view all the answers

In which teeth should the gutta-percha be removed 1mm apical to the canal orifice?

<p>Maxillary left central incisor (B)</p> Signup and view all the answers

What does the presence of excess sealer puff above a tooth indicate in an obturation verification radiograph?

<p>Inadequate removal of gutta-percha (D)</p> Signup and view all the answers

More Like This

Dental Irrigation and Pain Management
5 questions
Endo quiz 3
30 questions

Endo quiz 3

RefreshingPolarBear avatar
RefreshingPolarBear
Endo quiz 3.1
30 questions

Endo quiz 3.1

RefreshingPolarBear avatar
RefreshingPolarBear
UE 4 - La gutta percha
16 questions

UE 4 - La gutta percha

WellIntentionedTuba avatar
WellIntentionedTuba
Use Quizgecko on...
Browser
Browser