Question 74 · LDEK · Pharmacotherapy
Which of the following statements concerning the use of systemic antibiotics in the treatment of periodontitis is false?
- A. minimal antibiotic inhibition concentration is 500 times higher for bacterial biofilm than for planktonic bacteria.
- B. gingival crevicular fluid flow reduces minimal inhibition concentration.
- C. if repeated every 3 months, antibiotic therapy stimulates periodontal pathogens to develop multiple drug resistance.
- D. antibiotic therapy should be combined with non-surgical or surgical treatment.
- E. to reduce the risk of development of multi-drug resistance, antibiotics should be prescribed for at least 14 days.
Hint
Consider the usual length of adjunctive antibiotic courses in periodontology and what prolonging them does to resistance.
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