Etching depth after 30 sec for orthodontic bracket with orthophosphoric acid is_________________?

Related Mcqs:

The most important disadvantage of acrylic denture base is_______________?

A. porosity B. Shrinkage C. Tooth breakage D. Water absorption...

The function of the coupling agent in a restorative resin is to allow______________?

A. Adhesion of resin particles B. Bonding between filler crystals C. Bonding between filler and resin D. Bonding between tooth and resin...

What is the disadvantage of using composites as restorative material ?

A. Increased thermal conductivity B. Decreased wear resistance C. Decreased thermal conductivity D. None of the above...

VLC resins are also called as______________?

A. Microwave-activated resins B. Tertiary amine-activated resins C. Light activated resins D. Heat activated resins...

Boiling point of methyl methacrylate________________?

A. B.P of water B. < B.P of water C. Equal of BP of water D. Is at normal room temperature...