Periodontal Treatment Adjuncts Quiz
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Questions and Answers

Which of the following bacterial species is closely associated with periodontal lesions?

  • Actinomyces viscosus
  • Tannerella forsythia (correct)
  • Campylobacter rectus
  • Eubacterium sp

    • How many bacterial species from periodontal pockets have been identified?

  • More than 1000
  • Less than 100
  • Over 500 (correct)
  • Around 200

    • Which type of bacteria are components of the normal native flora of the human oral environment?

  • Gram-Negative Bacteria
  • Gram-Positive Bacteria
  • Most virulent bacteria (correct)
  • Fusobacterium nucleatum

    • Which bacterial species is not categorized based on Gram staining characteristics?

    <p>Eubacterium sp</p> Signup and view all the answers

    Which bacterial species can be attributed a probable causative role in periodontal disease?

    <p>Porphyromonas gingivalis</p> Signup and view all the answers

    Which bacterial species is a component of the normal native flora of the human oral environment?

    <p>Aggregatibacter actinomycetemcomitans</p> Signup and view all the answers

    What is the primary treatment for periodontal infections?

    <p>Mechanical debridement</p> Signup and view all the answers

    Why is it important to carefully select antibiotics for periodontal therapy?

    <p>To prevent bacterial resistance</p> Signup and view all the answers

    What is the key advantage of systemic antibiotherapy in treating periodontal infections?

    <p>Reaching microorganisms colonizing extra-dental sites</p> Signup and view all the answers

    What is a disadvantage of systemic antibiotherapy in managing periodontal infections?

    <p>Inability to achieve high concentration in the gingival crevicular fluid</p> Signup and view all the answers

    What does the arrow looping back from 'Re-evaluation' to 'Examination' suggest in the process flow for periodontal treatment?

    <p>The possibility of repeated or adjusted treatment protocols</p> Signup and view all the answers

    Why should systemic antibiotic therapy be carefully considered in the treatment of periodontal infections?

    <p>To prevent bacterial resistance</p> Signup and view all the answers

    What is the main reason for Gram-negative bacteria to display significant resistance to antibiotics?

    <p>Their biofilm structure creates a physical barrier that hinders antibiotic penetration</p> Signup and view all the answers

    Which bacteria have a very strong association with periodontal diseases based on the provided list?

    <p>Aggregatobacter actinomycetemcomitans and Tannerella forsythia (Bacteroides forsythus)</p> Signup and view all the answers

    How do barbiturates interact with metronidazole and tetracycline?

    <p>They decrease plasma protein availability</p> Signup and view all the answers

    What is the main challenge posed by biofilm structures in relation to antibiotic effectiveness?

    <p>Biofilms create a physical barrier that hinders the penetration of antibiotics</p> Signup and view all the answers

    In what situations may systemic antibiotherapy be considered?

    <p>In cases of continuous loss of periodontal attachment despite standard periodontal therapy</p> Signup and view all the answers

    How can the effectiveness of antibiotics against biofilms be enhanced?

    <p>By using biofilm-penetrating agents or mechanical removal to disorganize the biofilm structure</p> Signup and view all the answers

    What is the main purpose of systemic antibiotherapy in managing periodontal infections?

    <p>To reduce the risk of systemic health complications</p> Signup and view all the answers

    In which cases is systemic antibiotherapy often indicated?

    <p>For acute and severe periodontal lesions</p> Signup and view all the answers

    Which type of infection occurs when normal flora causes an infection in an individual with compromised defenses?

    <p>Opportunistic infection</p> Signup and view all the answers

    What characterizes true infections in periodontal disease?

    <p>They are caused by rare pathogens not found in healthy individuals</p> Signup and view all the answers

    What is essential before prescribing antibiotic therapy in the context of periodontal disease?

    <p>An accurate clinical diagnosis and prior meticulous scaling and root planing</p> Signup and view all the answers

    What is recommended to enhance the efficacy of antibiotic treatment in periodontal disease?

    <p>Disruption of biofilm structure to allow better penetration and diffusion of the antibiotic</p> Signup and view all the answers

    What is the purpose of using sterile paper tips or curettes in the sampling method?

    <p>To prevent contamination of the samples from the periodontal pockets</p> Signup and view all the answers

    Why is it important to use an anaerobic transport medium when collecting samples for bacterial analysis?

    <p>To transport the samples in a medium that maintains the viability of anaerobic bacteria</p> Signup and view all the answers

    What distinguishes molecular genetics techniques like PCR from culture methods in bacterial analysis?

    <p>Molecular techniques can detect bacterial DNA even if the bacterial cells are no longer alive</p> Signup and view all the answers

    What is a key limitation of molecular techniques in bacterial analysis?

    <p>They cannot determine which antibiotics the bacteria are sensitive to</p> Signup and view all the answers

    For which condition is systemic antibiotic therapy NOT indicated?

    <p>Patients with stable chronic periodontitis</p> Signup and view all the answers

    What is a contraindication for systemic antibiotic therapy in periodontal patients?

    <p>Patients with gingivitis</p> Signup and view all the answers

    What is the primary treatment for refractory periodontitis associated with Peptostreptococques and β-hémolytique bacteria?

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

    Which antibiotic regimen is suggested for treating early occurrence periodontitis or refractory periodontitis associated with P. gingivalis and A. actinomycetemcomitans?

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

    In the case of acute necrotizing periodontal disease, which antibiotic may be used as needed alongside debridement and oral hygiene instruction?

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

    What is the primary antibiotic choice for patients allergic to β-lactamines in the case of acute periodontal abscess?

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

    Which antibiotic regimen is the second choice for acute periodontal abscess?

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

    What is the primary choice of antibiotic regimen for acute necrotizing periodontal disease?

    <p>Metronidazole + Amoxicillin or Augmentin</p> Signup and view all the answers

    What alternative treatment can be used for refractory periodontitis associated with Peptostreptococques and β-hémolytique bacteria?

    <p>Amoxicillin and clavulanate potassium</p> Signup and view all the answers

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