Affiliation: | 1. Pulp Biology and Endodontics, Department of Restorative Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, , Tokyo, Japan;2. Endodoncia Clínica & Metodología de la Investigación, Facultad de Odontología, Universidad Nacional de Asunción, , Asuncion, Paraguay;3. Private Practice, , Tokyo, Japan |