Biography:

Hiromi Sumi is from department of Orthodontics and Craniofacial Developmental Biology, Hiroshima University, Graduate School of Biomedical Science, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan. One of their renowned works are Effects of cryopreservation with a newly-developed magnetic field programmed freezer on periodontal ligament cells and pulp tissues.