Tarnish and Corrosion

Question 1

What are some methods to prevent tarnish?

Answer 1

1. Good oral hygiene

2. Smooth surface finish of restoration

Question 2

What are some ways to prevent corrosion?

Answer 2

1. Avoid placing dissimilar metals in contact
2. Use noble metals or metals with high resistance to corrosion
3. Ensure smooth finishing of restoration
4. Passivating metals with low resistance to corrosion

Question 3

How to prevent galvanic pain?

Answer 3

Paint a layer of cavity varnish, silver nitrate or ZOE