Sunday, March 19, 2017

It has been proven that amalgam restoration has the following characteristics



It has been proven that amalgam restoration has the following characteristics:
1- Micro leakage decrease with aging of the amalgam restoration.
2- it is the least techniques sensitive of all current direct restorations.
3-High dimensional changes.
a. 1,2 and 3.
b. 1 and 3.
***c. 1 and 2.
d. 2 only.