Author/Authors :
JEON, Eun-Young Department of Dental Hygiene - Kyung Bok University, Namyangju, South Korea , LEE, Jeong-Hyun Department of Oral Anatomy - College of Dentistry - Dankook University, Cheonan, South Korea , PARK, Jong-Tae Department of Oral Anatomy - College of Dentistry - Dankook University, Cheonan, South Korea