Control questions:

1. What endodontic instruments are used for amputations, pulp extirpation, and removal of decay and medical treatment of root canal?

2. What are the indications for amputation and extirpation of the pulp?

3. What is the technique of amputation & extirpation of the pulp, the sequence of each manipulation?

4. The rules of widening of root canal with the help of endodontic instruments.

5. Which group of drugs used for medical treatment of root canals, their main advantages and disadvantages?

6. What main errors and complications are possible with an amputation, pulp extirpation, and removal of decay and medical treatment of root canal?

7. Drugs used for pharmacological treatment of root canals (enzymes, antiseptics, etc.)

8. The technique of medical treatment of root canal treatment of pulpitis and periodontitis.

9. How determine the degree of contamination of feed with turunds?

10. How left in the root canal turunds impregnated with drugs?

11. Complications arise when the instrumental treatment of root canals.

Homework:

Independent out-of-class work

1. To write prescriptions drugs for medical treatment of root canals.

2. To write possible errors and complications of the amputation & extirpation of the pulp.

Tests for self-monitoring and self-correction the original level of knowledge:

1. Instruments for clearing the contents of the root canal: A. Pulp extractor. B. Burav, rasp, reamer. C. Canal filler, plugger. D. Reamer, file. E. Spreader, plugger.

2. What is instrument for widening the root canal:

A. Pulp extractors.

B. Files, burav, rasps, reamers.

C. Canal fillers, plugger.

D. Spreaders, pluggr.

E. Apex locator.

3. For chemical expansion of root canals are used:

A. Enzymes, antiseptics, antibiotics.

B. 3 % solution of hydrogen peroxide.

C. Alcohol, ether.

D. Resorcin - formalin liquid solution of silver nitrate.

E. EDTA, 3 % solution of sodium hypochlorite.

4. For impregnation of impassable root canals are used:

A. Resorcin - formalin liquid, 30 % solution of silver nitrate.

B. EDTA, sodium hypochlorite 3 % solution.

C. 3 % solution of hydrogen peroxide.

D. Alcohol, ether.

E. Enzymes, antiseptics, antibiotics.

5. For medical processing of passable root canals are used:

A. EDTA, 3% solution of sodium hypochlorite.

B. Antiseptics, enzymes, antibiotics.

C. Resorcin - formalin liquid, 30 % solution of silver nitrate.

D. Intracanal electrophoresis.

E. Ultraphonophoresis.

6. Of endodontic treatment of anterior teeth do not use:

A. Resorcin-formaldehyde liquid silver root canals.

B. antibiotics.

C. EDTA, sodium hypochlorite.

D. enzymes

E. antiseptics

7. With what symbol indicates reamer on the handle of the instrument?

A. Rhombus.

B. Square.

C. Circle.

D. Zigzag.

E. Triangle.

8. Which symbol stands for file on the handle of the instrument?

A. Circle.

B. Triangle.

C. Square.

D. Rhombus.

E. Zigzag.

9. What instrument is preferred to pass obliterated root canals?

A. Ni Ti flex

B. K-reamer

C. K-file

D. Path-Finder

E. H-file.

10. When clearing the root canal is usually not removed:

A. The remains of the pulp

B. Blood

C. The collapse of the pulp

D. dentin filings

E. Smear layer of dentin

11. Needle for root canal irrigation has an optimal diameter:

A. 0,6 mm

B. 0,2 mm

C. 0,4 mm

D. 0,3 mm

E. 0,5 mm

12. Most enhanced cleaning action irrigation of root canals is achieved by using:

A. The ultrasonic vibrations

B. The sound vibrations

C. Depophoresis copper

D. laser

E. Diathermocoagulation

13. Washing of the root canal is usually performed:

A. After application of each file.

B. After the application of each of the two files.

C. The use of each of the three files.

D. After application of each of the four files.

E. After applying every five files.

14. For removal of the apical Washing solution (hydrogen peroxide) in pulpectomy threaten:

A. periapical pain

B. Formation of periapical abscess.

C. Formation of subcutaneous granuloma of the face.

D. Formation of subcutaneous emphysema of the face.

E. With all of the above except

15. Needle is during washing in the root canal optimal:

A. In the middle third.

B. For the apical third

C. In the coronal third

D. Between the apical and middle third or apical third

E. Between the coronal and middle third