Clinic Theory II Final Exam Review Questions with Correct Answers Which two major organizations contribute to ensuring safety, quality, and efficacy of oral antimicrobials? - Correct Answer FDA - U.S Food and Drug Administration Health Camada What is the benefit of ajunctive antimicrobial agents? - Correct Answer reducing plaque biofilm, and gingival inflammation beyond what is accomplished mechanically.What are the two dimensions of oral antimicrobial agents? - Correct Answer Delivery system Active ingredient What are the two subcategories of delivery systems of oral antimicrobial agents? - Correct Answer Local delivery methods Systemic delivery methods What does an antiseptic agent do? - Correct Answer kill or prevent propagation of plaque microorganisms. They inhibit the growth and development of microorganisms.What does an antibiotic do? - Correct Answer inhibit or kill specific or groups of bacteria, or modulate host inflammatory response What does a modifying agent do? - Correct Answer alter structure and/or metabolic activity of bacteria What do antiadhesives do? - Correct Answer interfere with ability of bacteria to attach to acquire pellicle What does a preprocedural oral rinse do? - Correct Answer decreases the total number of microorganisms availble to the clinical environment via aerosols and spatter What are bisbiguanides? - Correct Answer cationic, broad-specturm anntimicrobials effective for both gram positive and gram negatice bacteria (Chlorhexidine) 1 / 2
What are phenolic compounds? - Correct Answer a class of chemical compounds with unique properties.essential oils (eucalyptol, thymol, menthol): components of plants that destroy microorganisms by compromising cell membrane and inhibiting enzyme activity.What is triclosan? - Correct Answer a bisphenol, considered to be safe, broad spectrum antibacterial, with no side effects.What do quanternary ammonium compounds (found in dental materials) do? - Correct Answer destroy microorganisms by interacting with the bacterial cell membrane and causing it to become permeable and lose its contents.Cetylpyridum chloride (CPC) - mouth rinses that have antimicrobial properties.What is the aim for professionally applied antimicrobial agents? - Correct Answer reducing pathogenic bacteria in diseased sites that have resisted healing.What is controlled-release drug delivery? - Correct Answer the use of professionally placed intracrevicular devices that provide drug delivery for sustained periods of time.What is minimum inhibitory concentration (MIC)? - Correct Answer research measurement tool used for products to describe lowest concentration of particular antimicrobial What are some controlled-release drugs? - Correct Answer - minocycline microspheres
- chlorhexidine chip
- doxycycline hyclate gel
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What is periowave? - Correct Answer photodynamic disinfection therapy which activates a broad specturm of subgingival bacteria and potentially damaging enzymes.What is the systemic delivery method? - Correct Answer ingested and then delivered via bloodstream to the gingival crevicular fluid (GCF) ie, antibiotics