Erratum to: J Korean Acad Prosthodont 2012;50:1-9 (http://dx.doi.org/10.4047/jkap.2012.50.1.1)
There has been a mistake, claimed and confirmed by all the authors of Vol 50(1), 2012, p. 1-9 issue, that first author should have been Il-Han Kim instead of Kwan-Tae Noh.