Question

which
of the following vesed as desensitizes​

Answer 1

Potassium nitrate

It is an ionic salt of potassium ions (K+) and nitrate ions (NO-). Mainly used in dentistry as a desensitizing agent, it is believed to reduce dental sensitivity by decreasing the ability of nerve fibers in the dental pulp to re-polarize after an initial depolarization due to pain sensation.