الفهرس 
BibID 12842144 Evaluation of the role of Epidermal growth factor and Transforming growth factor Beta in the eruption mechanism of lower incisor in albino rats at different stages of eruption : An animal study
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Abstract
The aim of this study is to localize and delineate the role of the signaling molecules (EGF and TGF-Ý) before, during and after eruption.We evaluate the expression of EGF and TGF-Ý in the odontogenic and periodontal tissues of lower incisor of albino rats and also along its pathway of eruption.A correlation was carried out between the expression of each biomarker at a particular site and its possible role in matrix synthesis, maturation and growth or in providing a motive force for eruption .The correlation will be based upon the biological characteristics of the growth factors. PICOT Format P: Albino Rats I: EGF, TGF-Ý C: Comparison between the levels of these two growth factors (four groups each) at different stages of eruption. O:Identification of the role of EGF and TGF-Ý in the eruption mechanism (table 1). T: At birth, (5, 10 and 15 days postpartum)