Calculus Teeth 2024 Calendar. Dental calculus, also known as tartar, is a hardened form of dental plaque that can build up on your teeth over time. Dental calculus clings strongly onto the tooth, similar to how barnacles form and cling to a ship.
A whopping 68% of adults have dental tartar, also called calculus. Calculus deposition affects the gingival appearance and causes inflammation.