_______________ is a method that imparts color and hardness to the surface of titanium

A process whereby union representatives for employees negotiate employment conditions for the entire bargaining unit is known as which of the following?

A) Mediation B) Collective bargaining C) Labor relations D) Union certification

The most common cause of failure of palatal nerve blocks is:

A) Solution deposited too far from deposition site B) Solution deposited too rapidly and it backflows into the mouth C) Vasoconstrictor constricts the vessels preventing the flow of solution to the nerve D) Inadequate topical and pressure anesthesia prevent adequate penetration depth