Root canal therapy, also known as endodontic therapy, is a dental treatment for removing infection from inside a tooth. It can also protect the tooth from future infections.

A "root canal" is not a treatment, but part of a tooth. It is the hollow section of a tooth that contains the nerve t...

WHAT IS LAUGHING GAS?

Laughing gas is actually nitrous oxide gas and is commonly denoted as N₂O. It is a colourless, virtually odourless gas and has a very faint sweet smell.

In dentistry, it can be administered along with oxygen to reduce pain and anxiety. Nitrous oxide is effective as a sedative bec...