saliva protects

It is a well-known fact that mercurial waste in the environment is hazardous and a small portion of it comes from the dental practices. It is available in ...

Image Credit: https://commons.wikimedia.org/wiki/File:Saliva_Baby.jpg By Author Pereru on Wikimedia Commmons.   Saliva plays a critical role when we eat, lubricating different parts of the oral cavity, contributing enzymes that ...