What is the name of the depressed area, identified in red, under the contact between each tooth? (spelling counts)

Calculus occurs most frequently on;

The chemical content of supra and subgingival calculus is vastly different. The chemical composition of calculus varies depending on age and hardness.

Supragingival calculus is mineralized by exudate and sulcular fluid. Subgingival biofilm attached to subgingival calculus plays a significant role in inflammation and loss of attachment.

  During an oral inspection, this would be recorded under “tongue” as;

Which of the following statements are INCORRECT for the clinician in Neutral Working Position?

Spirochete and vibrio bacteria enter the biofilm in what time frame?

  What is the correct term for this lesion?

The ginigival sulcus is;

Which surfaces of the dentition has the least amount of biofilm due to the cleansing action of the tongue?