Pharmacology for Dentistry

118 Section 2/ Drugs Acting on CNS

Bupivacaine (0.5%) with adrenaline
(1:2,00,000) is less frequently used in dentistry
because of its poor penetration into bone.

BENOXINATE

It is a surface anaesthetic used in eye for
producing corneal anaesthesia for
tonometry and does not cause mydriasis or
any corneal damage.

OXETHAZAINE

A potent local anaesthetic used for

anaesthetizing gastric mucosa. Along with

antacid in suspension form it is used in

gastritis, gastric irritation and

gastroesophageal reflux. Side effects

include drowsiness and dizziness.

ROPIVACAINE

Newer compound, long acting local an-

aesthetic which produces less cardiotoxicity.

It is used mainly for nerve block and in post-

operative pain. It is occasionally used in

dentistry.