99Dental MaterialsMedium
For photo-curing the composite resin the light source________?
AShould be held at a millimeter distance from the restoration
BNeed no protection while in use
CIs fiber optic
DWill cure composite upto a depth of 5 millimeter thickness
Correct answer
A. Should be held at a millimeter distance from the restoration
Explanation
The correct answer is Should be held at a millimeter distance from the restoration.