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Dental Surgery Terms Beginning With 'L'

Laughing gas
Also known as nitrous oxide, it is a gas combined with oxygen to produce a calming effect and a sense of wellbeing when inhaled.

Leukoplakia
A white or grey patch on the tongue or the inside of the cheek as a reaction to chronic irritation of the mucous membranes of the mouth.

Lingual
The side of the tooth that faces the tongue.

Local anaesthetic
An injection given in the mouth by a dentist in order to numb the area before undergoing a dental procedure.