1. The ISO standard specifies that dentifrices with an RDA of less than __________ are safe on hard tissues.
  1. Which of the following is the more acid resistant form of tooth mineral?
  1. Dentifrice ingredients with antibacterial activity can help reduce all of the following EXCEPT __________.
  1. Stannous fluoride is an antiplaque/antigingivitis agent. 
  1. What is the most common nerve depolarizing agent used in sensitivity dentifrice?
  1. Humectants allow dentifrices to retain moisture.
  1. Which fluoride active is unique in its ability to provide significantly greater levels of erosion protection compared to other fluoride sources?
  1. Antibacterial approaches can provide substantially longer-term breath efficacy than that provided by odor masking agents.
  1. The primary mechanism of action for fluoride includes __________.
  1. Stannous fluoride adheres to the surface of tooth enamel and forms a protective layer that is able to shield enamel from the effects of erosive acids.
  1. Stannous fluoride is the only fluoride that delivers anticaries, antiplaque/gingivitis, enamel protection and anti-hypersensitivity benefits from one ingredient.
  1. Halitosis, or bad breath, can be caused by which of the following?
  1. With fluoride treatment, a noncavitated lesion can be remineralized with fluorapatite and have greater resistance to subsequent demineralization than hydroxyapatite.
  1. Sodium fluoride can be formulated with almost any of the available dentifrice abrasives.
  1. Without the binder, the toothpaste would separate into different phases, a liquid portion and a solid-like portion, and would have to be stirred before each use.
  1. Which of the following ingredients reduce(s) plaque and gingivitis?