Periodontitis Rods (IMAGE) Martin-Luther-Universität Halle-Wittenberg Caption These are flexible, biodegradable rods containing antibiotics for pariodontitis treatment. Credit MLU/faculty marceting NF1 Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.