Nakka C, Mikkilineni H, Kollipara S, Ravalika KN, K MR, Konchada J. Comparative evaluation of gingival displacement using retraction cord impregnated with Astringedent®, Magic foam and Expasyl: an in vivo study: Gingival displacement using various retraction cords. Int J Dent Mater. 2020;2(4):111-116. doi:10.37983/IJDM.2020.2402