Dental Minocycline is not used in the 3 mix antibiotic paste because of only one adverse effect A Discolouration of crown B Roots become brittle C It reaches out readily D It has least antimicrobial effect 💡 Explanation Minocycline is not used in the 3 mix antibiotic paste because of only one adverse effect ✓ Correct Answer: A. Discolouration of crown