Affiliation: | a Division of Microbiology and Immunology, Department of Oral Biology and Tissue Engineering, Meikai University of School of Dentistry, 1-1 Keyakidai, Sakado, Saitama 350-0283, Japan b Division of Oral and Maxillofacial Surgery, Department of Diagnostic and Therapeutic Sciences, Meikai University of School of Dentistry, 1-1 Keyakidai, Sakado, Saitama 350-0283, Japan |