Control questions:

1. Purpose of root canal fillings. 2. The classification of filling materials for root canal. 3. Requirements for materials for root canal.

4. Sealers. Classification. 5. Requirements for sealers. 6. Non-hardening filling materials for root canal: composition, properties. 7. Indications for use, features of using non-hardening materials.

Homework:

Independent out-of-class work

1. To write out the requirements of filling material for root canals.

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

1. Enter the representative of a group of plastic materials non-hardening:

A. Amalgam

B. Artificial dentin

C. Thymol paste (glycerin)

D. Silver pins.

2. Material for stopping teeth with mono-radicular canal:

A. Artificial dentin

B. Zink-oxid-evgenol paste

C. Silicate cement

D. Resorcin-formalin paste.

3. Eugenol is the base for:

A. Materials for permanent fillings.

B. Pastes for the permanent canal filling.

C. Past temporary canal filling.

D. For insolating liners under chemical curing composites.

E. For insolating liners under light-cured composites.

4. What is the purpose of the root sealers which introduced calcium hydroxide: A. To stimulate the proliferation of vascular tissue B. To stimulate bone formation C. For anti-inflammatory therapy D. To stimulate the dentin-, cementogenesis, osteogenesis E. For adequate biocompatibility of the material

5. Specify a positive property of the material for filling root canals:

A. easy entry into the canal,

B. irritate the tissues around the root,

C. be porous,

D. decrease in the amount of curing,

E. stains the tooth.

6. When filling the root canal paste speed machine of filler canal should be (r/min):

A. 100-120,

B. 500-600,

C. 1000-1200,

D. 10 000-20 000,

E. 25 000-30 000.

7. Material for filling canal one rooted teeth:

A. artificial dentin,

B. zinc oxide eugenol paste,

C. silicate cement,

D. resorcin-formalin paste.

8. Plastic non hardening material - is:

A. Kalasept,

B. Endometazon,

C. AH +,

D. Ketac – endo,

E. Phosphate – cement.

9. Odontotropic action has drug on the basis of:

A. thymol

B. antibiotics

C. calcium hydroxide

D. zinc oxide

E. proteolytic enzymes

10. Eugenol is the basis for: A. materials for permanent fillings, B. pastes for permanent canal filling, C. temporary filling pastes for canals, D. for isolating liners for curing composites, E. for isolating liners under light-cured composites.

11. The root canal is correctly sealed when on the X-ray determined filling material:

A. 1/2 length of the root,

B. for 2/3 of the length of the root,

C. the entire length of the root,

D. 1 mm smaller than the length of X-ray,

E. at 1 mm removed by the apex of the root.

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