Periodontics · single question
A patient with localized periodontitis requires adjunctive pharmacological treatment. The most appropriate locally delivered antibiotic is:
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Correct answer: A. Minocycline microspheres (Arestin)
- A. ✅ Correct. Minocycline microspheres (Arestin) is the locally delivered antibiotic specifically indicated as an adjunct to SRP in localized periodontitis. It provides sustained-release minocycline directly in the periodontal pocket.
- B. ❌ Metronidazole is used systemically for periodontitis, not as a standard local delivery system.
- C. ❌ Tetracycline fibers (Actisite) are an older system and Arestin is the current preferred option.
- D. ❌ Chlorhexidine chips are an ANTISEPTIC (not antibiotic) adjunct — Arestin is the antibiotic-specific answer.