To prevent porosity in dental porcelain it should be backed________________?
(A) Boric oxide
(B) In vacuum
(C) For long period
(D) Under pressure
To prevent porosity in dental porcelain it should be backed________________?
(A) Boric oxide
(B) In vacuum
(C) For long period
(D) Under pressure
| Share this... |
Facebook
|
Twitter
|
Linkedin
|
Whatsapp
|
Your email address will not be published. Required fields are marked *