The yellowish deposits on teeth are called tartar. Tartar gets formed when the minerals in the saliva solidify the soft film of bacteria formed on teeth due to poor oral hygiene. Dental scaling is the only way to get rid of these deposits.
Calcium Deposits on Teeth - Causes, Symptoms, and Prevention
Continuous ignorance of oral hygiene over a while results in the deposition of a calcified layer over teeth. Read the article to know more.
