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 (D)</p> Signup and view all the answers

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

<p>Porphyromonas gingivalis (C)</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 (D)</p> Signup and view all the answers

What is the primary treatment for periodontal infections?

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

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

<p>To prevent bacterial resistance (C)</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 (C)</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 (A)</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 (B)</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 (A)</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 (B)</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) (D)</p> Signup and view all the answers

How do barbiturates interact with metronidazole and tetracycline?

<p>They decrease plasma protein availability (A)</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 (A)</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 (D)</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 (B)</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 (A)</p> Signup and view all the answers

In which cases is systemic antibiotherapy often indicated?

<p>For acute and severe periodontal lesions (B)</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 (D)</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 (D)</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 (A)</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 (A)</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 (C)</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 (A)</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 (C)</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 (B)</p> Signup and view all the answers

For which condition is systemic antibiotic therapy NOT indicated?

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

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

<p>Patients with gingivitis (A)</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 (D)</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 (D)</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 (C)</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 (D)</p> Signup and view all the answers

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

<p>Metronidazole + Augmentin (D)</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 (D)</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 (C)</p> Signup and view all the answers

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