Question 480 · LDEK · Irrigation and intracanal medicaments
Select the correct statement regarding rinsing agents used in endodontic treatment:
- A. EDTA inhibits bacterial cell adhesion, does not remove smear layer, and does not neutralize bacterial toxins.
- B. isopropyl alcohol with silver nanoparticles has a strong bacteriostatic effect but discolors hard dental tissue.
- C. chlorhexidine effectively eliminates E. faecalis but has no antifungal properties.
- D. chelating compounds are effective in softening of dentine.
- E. sodium hypochlorite is activated by contact with biological material and dissolves inorganic tissue.
Hint
Think about what chelators do to the calcium in hydroxyapatite and how that changes canal wall dentin.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Conservative dentistry
- The differential diagnosis of an osteolytic focus located in the anterior aspect of the mandible should not include:
- 36 y.o. patient referred to the dentist due to spontaneous pain, lasting for 12 hours, occurring during biting. On the previous day, a one-visit…
- Which therapeutic method is recommended for the treatment of a carious lesion defined by the site and stage classification of Lasfargues et al.as…
- Select the correct statement about type C canals:
- Bioactive materials used in pulp biological treatment should be characterized by:
- Select the correct statement regarding the phenomena occurring when canals are filled with thermoplastic technics: