Podcast
Questions and Answers
What effect does long-term exposure to CHX have on S. mutans?
What effect does long-term exposure to CHX have on S. mutans?
- Decrease in hydrophobicity
- Increase in sensitivity to antimicrobials
- Development of resistance to CHX (correct)
- Enhanced competitive ability with commensal oral streptococci
Which genes were found to be upregulated in the CHX-resistant strain of S. mutans?
Which genes were found to be upregulated in the CHX-resistant strain of S. mutans?
- triclosan and fluoride
- dltC and dltD (correct)
- rsV and SM-Cs
- HA and MIC
What was the main component of enamel mentioned in the text?
What was the main component of enamel mentioned in the text?
- Daptomycin
- Hydroxyapatite (correct)
- Triclosan
- Clindamycin
What impact did exposure to CHX have on the minimum inhibitory concentration (MIC) of the four S. mutans strains?
What impact did exposure to CHX have on the minimum inhibitory concentration (MIC) of the four S. mutans strains?
How did RSVs react to daptomycin and clindamycin, according to the text?
How did RSVs react to daptomycin and clindamycin, according to the text?
What was the fitness cost associated with increased tolerance to CHX in strains that develop resistance?
What was the fitness cost associated with increased tolerance to CHX in strains that develop resistance?
What is the primary cariostatic effect of F-varnish believed to be?
What is the primary cariostatic effect of F-varnish believed to be?
Why is the oft-cited mechanism of calcium fluoride precipitates not sufficient to explain the long period of efficacy of F-varnishes?
Why is the oft-cited mechanism of calcium fluoride precipitates not sufficient to explain the long period of efficacy of F-varnishes?
What is the unknown factor regarding the NaF concentration in F-varnish related to optimal fluoride enamel uptake and anticaries efficacy?
What is the unknown factor regarding the NaF concentration in F-varnish related to optimal fluoride enamel uptake and anticaries efficacy?
Which bacteria are known to be effectively targeted by Chlorhexidine (CHX) mouthwash?
Which bacteria are known to be effectively targeted by Chlorhexidine (CHX) mouthwash?
How does Chlorhexidine (CHX) act on bacterial cell walls?
How does Chlorhexidine (CHX) act on bacterial cell walls?
Which of the following is NOT a known mechanism of action of Chlorhexidine (CHX)?
Which of the following is NOT a known mechanism of action of Chlorhexidine (CHX)?
Why is the conversion of enamel to fluoroapatite considered an important aspect for the cariostatic effect of F-varnishes?
Why is the conversion of enamel to fluoroapatite considered an important aspect for the cariostatic effect of F-varnishes?
What has been reported about the effect of F-varnish on S. mutans levels in saliva or dental plaque?
What has been reported about the effect of F-varnish on S. mutans levels in saliva or dental plaque?