Pertussis, an acute infectious disease caused by the bacterium Bordetella pertussis, is also called

Tied fire walls are self-supporting and independent of the building frame

A. True B. False

Which of the following happens if an acute periodontal abscess is not treated?

A) Tooth will be lost B) Reverts to a gingival abscess C) Becomes a chronic abscess D) Results in a pericoronal abscess