Library
-
The so-called periodontum is the structure surrounding the tooth which includes the gum, the alveolar bone and the periodontal ligament. These structures can become diseased and unable to support the tooth which itself may be healthy.
-
Within a few hours of a meal an invisible layer of bacteria forms on the teeth. This is plaque. Within 24 hours this starts to harden, absorb minerals and becomes dental calculus or tartar.
