
Keywords: EGTA; ethylene glycol-bis(β-aminoethyl ether)-N,N,Nâ²,Nâ²-tetraacetic acid; Hepes; 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid; MSCs; mesenchymal stem cells; NGF; nerve growth factor; REPs; regenerative endodontic procedures; SCAP; stem cells of