0138-6557 0138-6557 S0138-65572021000400020 Peru Cuba Peru Peru Perú 00 12 2021 00 12 2021 50 4

1 2017 61 2 2 435-7 2 2020 15 8 8 3 2020 245 11 11 940-4 4 2020 3 3 3 5 2020 68 8 8 1657-60 6 2020 76 8 8 2137-50 7 2003 1ra 8 2015 114 482-5 9 2015 18 1282-90 10 2015 41 8 8 1219-25 11 European Society of Endodontology 2006 39 921-30 12 2012 15 9 9 13 2008 72 10 10 1177-81 14 2011 2 167-8 15 2016 16 24 16 2020 24 4 4 724-33 17 2019 5 4 4 365-76 18 2016 2016 7383212 19 2011 11 03 03 443-9 20 2018 31 2 2 28-37 21 2021