Figure 1 (IMAGE) Tohoku University Caption Reduction of aerosol droplet dispersion by the combination of intra-oral suction (IOS) and extra-oral suction (EOS). Credit 2023 Japan Prosthodontic Society Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.