Composite Restoration Presentation 2016

1. COMPOSITE
RESIN for
Restoration

2. Hello!
I am Dr. Md. Arifur Rahman
Assistant Professor & Unit Head
Northeast Medical College Dental Unit

3. Composite fillings are a mixture
of powdered glass and plastic
resin, sometimes referred to as
white, plastic, or tooth-colored
fillings. It is used for fillings, inlays,
veneers, partial and complete
crowns, or to repair portions of
broken teeth.

4. 1. Strong and durable
2. Tooth colored
3. Single visit for fillings
4. Maximum amount of tooth preserved
5. Small risk of leakage if bonded only to enamel
6. Does not corrode
7. Generally holds up well to the forces of biting
depending on product used

5. 1. Technique sensitive. Required more time than
amalgam.
2. Sometimes cause tooth sensitivity; sensitive
to dentist’s method of application
3. Costs more than dental amalgam •
4. Material shrinks when hardened and could
lead to sensitivity .

6. 1. Risk of Mercury poisoning.
2. Not tooth colored •
3. May darken as it corrodes; may stain teeth over
time •
4. Requires removal of some healthy tooth •
5. Because metal can conduct hot and cold
temperatures, there may be a temporary
sensitivity to hot and cold.

7. The durability of any dental
restoration is influenced not only
by the material it is made from but
also by the dentist’s technique
when placing the restoration.
Other factors include the
supporting materials used in the
procedure and the patient’s
cooperation during the procedure

8. Prefferd isolation menthod is Rubberdam.
It is important to keep the tooth & cavity away
from saliva or blood or any other exudate
during procedure.

9. Complete removal of carious lesion is essential
for a successful composite restoration.
Otherwise bonding failure may occure.
Disclosing solutions can be helpful to detect
carious parts.

10. 37% ortho phosphoric acid is commonly used for
etching.
Enamel etching 25-30 seconds
Dentine etching 10-15 seconds.
Selective etching may needed in some situation.
It is important to save the surrouning teeth
from etching gel.

11. The etching gel is washed away with water rinse
by triple syringe for 20 seconds.
It is important not to make the dentine surface
too dry due to breakdown of collagen matrix
which cause bonding failure.

12. Matrix of different types along with wedges
needed in Class II, III, IV cavities.

13. 4th generation has primer & bond
6th generation has Self etching primer & bond
Application of Bonding by brush and cure by
Halogen or LED light for 30 seconds.

14. C factors
Incremental Loading
Restoring the anatomy

15. For durabality of restoration
To prevent staining.

16. Let’s have a look at
some composite
work
By Dr. Arifur Rahman

26. THANKS!
Any questions?
You can find me at @drarifur_rahman@yahoo.com