Erratum to: J Korean Acad Prosthodont 2011;49:333-40 (http://dx.doi.org/10.4047/jkap.2011.49.4.333)
There has been a mistake, claimed and confirmed by all the authors of Vol 49(4), 2011, p. 333-340 issue, that first author should have been Hyun-Du Won instead of Ahran Pae.