Abstract
The preterm (PT) are particularly predisposed to develop tooth enamel defects. There are several causes for the defects, but it is known mainly for low-weight, pre term NBs (Seow et al, 1984a, Seow et al (1984b, Pimlott et al (1985), Rugg-Gunn et al (1998), Aine et al (2000), Melo et al (2002), Paulsson ET AL (2004) and Takaoka et al, (2011).The tooth is a true "biological register", beca…