Dental implants as we know them today were invented in 1952 by a Swedish orthopedic surgeon named Per-Ingvar Brånemark. Today, they are considered the standard of care for prosthetic replacement of missing teeth.

In dentistry, a dental implant is a surgical fixture that is placed into...

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...