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A case report by our Vice President, Dr. Shinichiro Yoshimine, has been published on Research Square, a preprint platform. It was posted on January 6, 2026 and is available as a Case Report. This report summarizes the clinical course of a patient with chronic granulomatous apical periodontitis treated with adjunctive therapy combining intraoperative irrigation with ozonated water and local application of ozonized glycerin. The manuscript describes postoperative findings (pain

Chairman Hourei Oh Last year, there were a wide variety of infectious diseases that were in the spotlight for 2025, but I think the main ones were influenza, novel coronavirus disease (COVID-19), and mycoplasma pneumonia. In January, influenza A became widespread, with a mutant strain called "subclade K" becoming widespread. The NB.1.8.1 strain (Nimbus strain) of COVID-19 also became widespread, and was characterized by particularly severe sore throats. The Mycoplasma pneumon