W10. Direct composite restoration instruments and steps

Question 1

What are Hand instruments for composite restoration?

Answer 1

Question 2

What are instruments for composite restoration except hand instruments and burs?

Answer 2

Question 3

What are burs for composite restoration?

Answer 3

Question 4

What are the features of etching material?

Answer 4

37% phosphoric acid

Question 5

What are the steps for composite restoration?

Answer 5

1. Shade selection
2. Cleaning of cavity
3. Etching:
   - enamel: 15 sec (30 sec)
   - dentin: 15 sec
4. Washing, gentle dry
5. Bond application, gentle air and polymerization 20 sec
6. Composite layering, polymerization after each layer 20 sec
7. Check the contour of filling (add more composite if necessary)
8. Finishing: diamond needle bur
9. Polishing: rubber polishing
10. After finishing and polishing you CANNOT add more composite

Question 6

Describe the restorative technique of composite filling?

Answer 6

Insertion of first increment of composite filling material (dentin shade) in the cavity