Author
Chairalt Wiwatwarrapan./ Department of Prosthodontics, Faculty of Dentistry, Chulalongkorn University , Chayagrit Siri-Upathum./ Department of Nuclear Technology, Faculty of Engineering, Chulalongkorn University and Piriyathorn Suwanmala./ Office of Atomic Energy for Peace, Ministry of Science, Technology and Environment
-