In epidemiology, we refer to existing cases of disease as incidence, and new cases of disease as prevalence.

With which solution may patients be asked to rinse their mouths to reduce microorganisms?

a. Peroxide b. Sodium hypochorite c. Chlorhexidine gluconate d. Saline

Approximately 75% of patients with Down syndrome have a structural cardiac defect.

Answer the following statement true (T) or false (F)