Den 130 DCD Chap 20 Questions With Complete Solutions.

The Food and Drug Administration (FDA) in the United States classifies toothpastes and mouthrinses as correct answer: Therapeutic, cosmetic, or both Toothpaste that is classified as cosmetic is only required to meet safety guidelines, because it is not permitted to make claims of therapeutic value. correct answer: Both the statement and reason are correct and related. Which of the following is NOT an inactive ingredient found in toothpaste? A. Humectants B. Abrasives C. Surfactants D. Cosmetic whitening E. Thickening agents correct answer: Cosmetic whitening Formulations that include one or more of the active ingredients arginine bicarbonate/calcium carbonate complex, potassium nitrate, or stabilized stannous fluoride are commonly used for what purpose? correct answer: Tooth sensitivity reduction Using caries prevention mouthrinse has been found to enhance the fluoride uptake and aid in the remineralization process.Anti-gingivitis mouthrinse contains agents that control growth of bacteria or deactivate volatile sulfur-containing compounds that are present due to the breakdown of amino acids. correct answer: The first statement is true, the second is false What is the common active ingredient in mouthrinses used for whitening? correct answer: Hydrogen peroxide 1.5 to 2 percent Mouthrinse formulations used to treat xerostomia: correct answer: Reduce discomfort associated with dry mouth by coating the tissue or mimicking the feel of saliva in the mouth Prescription-strength fluoride products have b