Question 1

Hydrogen peroxide should be used undiluted as an oral rinse.

Accepted Answer

Hydrogen peroxide should never be used undiluted as an oral rinse as it can cause irritation, burning sensation, and potential tissue damage. A safe dilution is usually 1 part hydrogen peroxide to 2 parts water.

Question 2

Chlorhexidine gluconate has high substantivity to the oral mucous membranes.

Accepted Answer

Chlorhexidine gluconate is known for its ability to bind tightly to the oral mucous membranes, providing a long-lasting antibacterial effect even after rinsing. This property is referred to as substantivity, and chlorhexidine gluconate has high substantivity in the oral cavity.

Question 3

First-generation agents have antibacterial properties with ________ substantivity.

Accepted Answer

The answer of First-generation agents have antibacterial properties with ________...

Question 4

Chlorhexidine gluconate is poorly ________ from the oral mucous membranes.

Accepted Answer

The answer of Chlorhexidine gluconate is poorly ________ from the...

Question 5

Povidine iodine is antibacterial.

Accepted Answer

Povidone iodine is a broad-spectrum antiseptic agent that is effective against bacteria, viruses, fungi, and protozoa. It works by releasing iodine slowly, which kills or inhibits the growth of microorganisms.

Question 6

Oral rinses reach subgingivally.

Accepted Answer

Oral rinses primarily affect the supragingival environment and have limited ability to penetrate deeply into the subgingival space where periodontal pathogens reside.

Question 7

It is ideal to have a drug with high ________.

Accepted Answer

The answer of It is ideal to have a drug...

Question 8

Discuss the different indications for using oral rinses.

Accepted Answer

The answer of Discuss the different indications for using oral...

Question 9

Listerine is considered to be a first-generation agent.

Accepted Answer

Listerine was first marketed in 1879 and is considered to be a first-generation antiseptic mouthwash.

Question 10

Antimicrobial agents ideally should ________ microbial colonization on the tooth surface.

Accepted Answer

The answer of Antimicrobial agents ideally should ________ microbial colonization...

Question 11

Chlorhexidine gluconate is considered to be a second-generation agent.

Accepted Answer

Chlorhexidine gluconate is considered to be a second-generation agent due to its broad-spectrum activity against both gram-positive and gram-negative bacteria, as well as its ability to persist on skin surfaces for an extended period of time.

Question 12

Oral irrigation can be used without supplementation with brushing and flossing.

Accepted Answer

While oral irrigation is a helpful addition to brushing and flossing, it is not a substitute for these basic oral hygiene practices.

Question 13

Oral rinses are divided into therapeutic and ________ rinses.

Accepted Answer

The answer of Oral rinses are divided into therapeutic and...

Question 14

It is acceptable and effective to use antimicrobial mouthrinses as the only oral hygiene method of self-care.

Accepted Answer

While antimicrobial mouthrinses can be a useful addition to oral hygiene routines, they should not be used as the only method of self-care. Brushing twice a day and flossing at least once a day are still the most effective ways to remove plaque and prevent dental problems.

Quiz 19: Topical Drug Delivery Systems