All of the Following Statements Are True About Xerostomia Clients

All of the following statements are true about xerostomia clients and treatment except:

A) clients with xerostomia should not use dentifrices containing potassium nitrate.
B) clients with xerostomia are usually higher caries risk.
C) several hundred medications can cause xerostomia.
D) mineral availability is reduced in clients with xerostomia.
E) salivary pH is decreased and is often lower in clients with xerostomia.
F) clients often have difficulty speaking because of less lubricated oral soft tissues.