(IMAGE) Tokyo Medical and Dental University Caption Researchers from Japan developed a modified triple ligature-induced periodontitis mouse model, which, compared to the classic single-ligature model, increases the range of bone loss, thereby enabling the efficient collection of all types of periodontal tissue for subsequent genetic- and cell-level analysis. Credit Faculty of Dentistry, TMDU 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.