1. Siqueira JF, Roc ̧as IN, Lopes HP, de Uzeda M. Coronal leakage of two root canal sealers containing calcium hydroxide after exposure to human saliva. J Endod. 1999;25:14–6.
2. Campanella V, Mummolo S, Grazzini F, Barlattani A, Di Girolamo M. The effectiveness of endodontic sealers and endodontic medicaments on the elimination of enterococcus faecalis: an in vitro study. J Biol Regul Homeost Agents. 2019;33(3):97–102.
3. Wu MK, Van Der Sluis LW, Wesselink PR. Fluid transport along gutta – percha backfills and without sealer. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2004;97:257–62.
4. Peters DD. Two-year in vitro solubility evaluation of four gutta-percha sealer obturation techniques. J Endod. 1986;12:139–45.
5. Georgopoulou MK, Wu MK, Nikolaou A, Wesselink PR. Effect of thickness on the sealing ability of some root canal sealers. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 1995;80:338–44.
6. Cianconi L, Palopoli P, Campanella V, Mancini M. Composition and microstructure of MTA and Aureoseal Plus: XRF, EDS, XRD and FESEM evaluation. Eur J Paediatr Dent. 2016;17(4):281–5.
7. Souza EM, Wu MK, van der Sluis LW, Leonardo RT, Bonetti – Filho I, Wesselink PR. Effect of filling technique and root canal area in the percentage of gutta – percha in laterally compacted root fillings. Int Endod J. 2009;42:719–26.
8. Jarret IS, Marx D, Covey D, Karmazin M, Lavin M, Gound T. Percentage of canals filled in apical cross sections: an in vitro study of seven obturated techniques. Int Endod J. 2004;37:392–8.
9. Tselnik M, Baumgartner JC, Marshall JG. Bacterial leakage with mineral trioxide aggregated or resin-modified glass ionomer used as coronal barrier. J Endod. 2004;30:782–4.
10. Shipper G, Trope M. In vitro microbial leakage of endodontically treated teeth using new and standard obturation techniques. J Endod. 2004;30:154–8.
11. De Deus G, Murad CF, Reis CM, Gurgel-Filho E, Coutinho Filho T. Analysis of the sealing ability of different obturation techniques in oval-shaped canals: a study using a bacterial leakage model. Braz Oral Res. 2006;20:64–9.
12. Pinheiro CR, Guinesi AS, de Camargo EJ, Pizzolitto AC, Filho IB. Bacterial leakage evaluation of root canals filled with different endodontic sealers. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2009;108:56–60.
13. Molander A, Reit C, Dahlén G, Kvist T. Microbiological status of root- filled teeth with apical periodiontitis. Int Endod J. 1998;31:1–7.
14. D’Ercole S, Filippakos A, De Toledo Leonardo R, Pameijer CH, Tripodi D. Enterococcus faecalis leakage of root canal sealers: an ex vivo study. J Biol Regul Homeost Agents. 2012;26:545–52.
15. Severino M, Libonati A, Di Taranto V, Montemurro E, Campanella V. Comparative analysis of cleaning ability of two rotary instrument systems: Mtwo and ProTaper® universal. An in vitro scanning electron microscopic study. J Biol Regul Homeost Agents. 2019;33(3):51–61.
16. Valeriani F, Protano C, Gianfranceschi G, Cozza P, Campanella V, Liguori G, Vitali M, Divizia M. Romano Spica V. Infection control in healthcare settings: perspectives for mfDNA analysis in monitoring sanitation procedures. BMC Infect Dis. 2016;16:394.
17. Camilleri J. Sealers and warm gutta - percha obturation techniques. J Endod. 2014;41:72. – 78.
18. Skinner RL, Himel VT. The sealing ability of injection – molded thermoplasticized gutta – percha with and without the use of sealers. J Endod. 1987;13:315–7.
19. Buchanan LS. Continuous wave of condensation technique. Endod Prac. 1998;1:7. “10,13–6,18.. :†.
20. Libonati A, Di Taranto V, Agostini D, Santoro C, Di Carlo MM, Ombres D, Gallusi D, Favalli G, Marzo C, Campanella G. V. Comparison of coronal leakage of different root canal filling techniques: an ex vivo study. J Biol Regul Homeost Agents. 2018;32:397–405.
21. Torabinejad M, Ung B, Kettering J. In vitro bacterial penetration of coronally unsealed endodontically treated teeth. J Endod. 1990;16:566–9.
22. Khayat A, Lee SJ, Torabinejad M. Human saliva penetration of coronally unsealed obturated root canals. J Endod. 1993;19:458–61.
23. Pommel L, Camps J. In vitro apical leakage of System B compared with other filling techniques. J Endod. 2001;27:449–51.
24. Aminsobhani M, Ghorbanzadeh A, Bolhari B, Shokouhinejad N, Ghabraei S, Assadian H, Aligholi M. Coronal microleakage in root canals obturated with lateral compaction, warm vertical compaction and Guttaflow system. Iran Endod J. 2010;5:83–7.
25. Jacobson HL, Xia T, Baumgartner JC, Marshall JG, Beeler WJ. Microbial leakage evaluation of the continuous wave of condensation. J Endod. 2002;28:269–71.
26. Siqueira JF Jr, Rocas IN, Favieri A, Abad EC, Castro AJ, Gahyva SM. Bacterial leakage in coronally unsealed root canal obturated with 3 different technique. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2000;90:647–50.
27. Davalou S, Gutmann JL, Nunn MH. Assessment of apical and coronal root canal seals using contemporary endodontic obturation and restorative materials and techniques. Int Endod J. 1999;32:388–96.
28. Libonati A, Montemurro E, Nardi R, Campanella V. Percentage of gutta – percha – filled areas in canals obturated by 3 different techniques with and without the use of endodontic sealer. J Endod. 2018;44:506–9.