“…A 2-millimeter layer of iRoot BP Plus (Innovative BioCeramix, Vancouver, BC) was pressed on a pulp surface gently. The teeth were then built up with core materials (GlasIonomer FX Ultra, SHOFU INC, Japan) [ 20 , 21 ]. Finally, the molars were restored with preformed metal crowns [ 22 ] (Shinhung Co., Ltd., Jung-gu, Seoul, Korea), and prefabricated zirconia crowns [ 23 ](NuSmile®, Houston, TX, USA) were applied to the maxillary anterior teeth.…”