I hate UrbDic's definitions

hard plaque

Also known as Calculus is like cement on your teeth. Sharp objects are used to remove it, WITHOUT anesthesia.

Patient: What do I have in my teeth?

Doc: Afraid to say... it Calculus also know as hard plaque, is very dangerous.
Patient : Can you remove it ?

Doc: Sure!

by I hate UrbDic May 23, 2021