Research theme for competitive and other funds (3)：
2017 - 2020 Antibacterial and oral malodour supressing effects of black cumin food materials and elucidation of these mechanisms
2012 - 2015 The Study of Oral Function Improvement System to the Cognitive Function for the Elderly in Japan
2012 - 2015 Research on pneumonia episode incidence decreases and contribution to the need of nursing care level progression control by oral care interventions
