Dentistry · Dental System · Medium
Calculus
Meaning: Hardened dental plaque deposited on teeth, also called tartar.
In practice: Calculus can only be removed by a hygienist during a scale and polish.
Quick check
Two questions on related dentistry words.
Words like calculus come up in the daily game
One medical word a day, then a quick three-question quiz. Free on iPhone, or play in your browser on Android and computer.