TSENG Chien-Fu¹, KOK Sang-Heng², CHEN Hsin-Ming², LI Wan-Chun³ (1.Dept. of OMS, Tao-Yuan General Hospital, 2.Dept. of OMS, National Taiwan Univ. Hospital, 3.Institute of Oral Biology, National Yang-Ming Univ.)

PARK Sang-Yoon, SUNG Ki-Woong, KIM Soung-Min, MYOUNG Hoon, KIM Myung-Jin, LEE Jong-Ho (Oral Cancer Center, Dept. of OMS, Seoul National Univ. Dental Hospital, Seoul, Korea)

LEE Sanghoon¹, NAM Woong², KIM Junghun³ (1.Dept. of OMS, Jukjeon Dental Hospital, College of Dentistry, Dankook Univ., Gyeonggi-do, Republic of Korea, 2.Dept. of OMS, Yonsei Univ. College of Dentistry, Seoul, Republic of Korea, 3.Dept. of OMS, Yonsei Univ. College of Dentistry, Seoul, Republic of Korea)

CHENG Ke-Hsin, KUO Tzu-Yen, WONG Tung-Yiu (Division of OMS, National Cheng-Kung Univ. Hospital, Taiwan)

PARK Jongyeol¹, YOUN Min Yeong¹, KIM Dong Wook², KIM Hyung Jun¹ (1.Dept. of OMS, Yonsei Univ. College of Dentistry, Seoul, Korea, 2.Dept. of OMS, Oral Science Research Center, Yonsei Univ. College of Dentistry, Seoul, Korea)