Antibiotics in Periodontology Quiz
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Questions and Answers

What is the cardinal rule when using antibiotics?

  • Use as little as possible
  • Skip doses to avoid resistance
  • Maintain high blood pressure
  • Use the correct dosing schedule (correct)

    • Why is a loading dose recommended for antibiotics?

  • To reduce the risk of side effects
  • To save money on medication
  • To achieve therapeutic blood levels quickly (correct)
  • To prevent bacterial resistance

    • What is the role of antibiotic therapy in periodontal disease?

  • To enhance the taste of food
  • To remove plaque from teeth
  • To reduce the production of saliva
  • To eliminate bacteria associated with the disease (correct)

    • What is the mechanism of action of tetracyclines in periodontal therapy?

    <p>Inhibit cell wall synthesis</p> Signup and view all the answers

    Which antibiotic is known for its broad spectrum of activity and bacteriostatic properties in periodontal therapy?

    <p>Tetracycline</p> Signup and view all the answers

    What are the common pathogens associated with gingivitis?

    <p>Fuso, strep, &amp; actinomycetes</p> Signup and view all the answers

    What is the definition of an antibiotic?

    <p>A substance that kills or inhibits the growth of microorganisms</p> Signup and view all the answers

    What is the term for an antimicrobial that acts on a limited number of microbial species?

    <p>Narrow Spectrum Antimicrobial</p> Signup and view all the answers

    Which term refers to a substance that kills or destroys microorganisms by inhibiting their growth?

    <p>Microcidal</p> Signup and view all the answers

    What is the action of a Microstatic antimicrobial?

    <p>The organism is reversibly inhibited at specific metabolic processes</p> Signup and view all the answers

    Which term refers to an antimicrobial that acts on a wide range of species?

    <p>Broad Spectrum Antimicrobial</p> Signup and view all the answers

    What is the definition of chemotherapy in the context of antibiotics?

    <p>A treatment of systemic infections with specific drugs</p> Signup and view all the answers

    Which antibiotic is considered a choice for treating periodontal abscesses?

    <p>Metronidazole</p> Signup and view all the answers

    What is the most common adverse effect of Metronidazole?

    <p>Metallic taste</p> Signup and view all the answers

    Which antibiotic is contraindicated in the first trimester of pregnancy?

    <p>Tetracycline HCl</p> Signup and view all the answers

    Which antibiotic is known for its potent bacteriostatic activity against strict anaerobes?

    <p>Clindamycin</p> Signup and view all the answers

    Which antibiotic can induce ulcerative colitis as an adverse effect?

    <p>Clindamycin</p> Signup and view all the answers

    Which antibiotic has weak activity against A.A., Eikenella, and Fusobacterium?

    <p>Erythromycin</p> Signup and view all the answers

    Which systemic antibiotic regimen is considered more effective than a single agent for treating aggressive and recurrent periodontitis?

    <p>$Amoxicillin (500 mg TID) and metronidazole (250 mg TID) for 8 days$</p> Signup and view all the answers

    What is the advantage of local delivery devices for antibiotics in periodontal treatment?

    <p>$Bypasses the metabolism by the liver$</p> Signup and view all the answers

    Antibiotics are primarily used to promote the growth of microorganisms.

    <p>False</p> Signup and view all the answers

    Chemotherapy involves the treatment of systemic infections with drugs that selectively suppress the infecting microorganism without significantly affecting the host.

    <p>True</p> Signup and view all the answers

    An antimicrobial refers to both antibiotics and synthetic agents active against microbes.

    <p>True</p> Signup and view all the answers

    Microcidal agents inhibit the growth of microorganisms by reversibly inhibiting specific metabolic processes.

    <p>False</p> Signup and view all the answers

    Narrow Spectrum Antimicrobials act on a wide range of microbial species.

    <p>False</p> Signup and view all the answers

    Broad Spectrum Antimicrobials inhibit the growth of a limited number of microbial species.

    <p>False</p> Signup and view all the answers

    Tetracyclines are considered bactericidal antibiotics.

    <p>False</p> Signup and view all the answers

    Metronidazole is relatively ineffective in suppressing A. actinomycetemcomitans.

    <p>True</p> Signup and view all the answers

    Amoxicillin in combination with clavulonic acid is not indicated in the presence of oral bacteria capable of producing β-lactamase.

    <p>False</p> Signup and view all the answers

    Doxycycline has more patient compliance than tetracycline due to its once-daily dosing.

    <p>True</p> Signup and view all the answers

    Penicillin G is considered a broad-spectrum antibiotic.

    <p>False</p> Signup and view all the answers

    Erythromycin is effective against Gram-negative bacteria such as Legionella and Mycoplasma.

    <p>True</p> Signup and view all the answers

    Ciprofloxacin is effective in the treatment of periodontal super infections caused by enteric bacteria, pseudomonas, or staphylococci.

    <p>True</p> Signup and view all the answers

    Clindamycin has weak activity against facultative pathogens like A.a. and Eikenella.

    <p>False</p> Signup and view all the answers

    Erythromycin reaches effective concentrations in gingival fluid and has strong activity against A.A., Eikenella, and Fusobacterium.

    <p>False</p> Signup and view all the answers

    Azithromycin is primarily bacteriostatic and has a narrow spectrum of activity.

    <p>False</p> Signup and view all the answers

    Tetracycline HCl for 21 days is one of the most effective regimens for treating aggressive and recurrent periodontitis.

    <p>False</p> Signup and view all the answers

    Local delivery devices for antibiotics in periodontal treatment have limitations including dose limitation due to a relatively small area.

    <p>True</p> Signup and view all the answers

    Local delivery devices for antibiotics bypass the metabolism by the liver, making them a safe and convenient route of administration.

    <p>True</p> Signup and view all the answers

    Systemic antibiotics rarely enhance the treatment of chronic periodontitis.

    <p>True</p> Signup and view all the answers

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