1. A Keith,F Knowles (1911). A description of teeth of Palaeolithic man from Jersey. J Anat Physiol, 46(Pt 1), 12.
2. A Nakayama (1941). Unknown Title. KOKUBYO-GAKKAI-ZASSHI, 15(2), 127-129.
3. E Tratman (1950). A comparison of the teeth of people; Indo-European racial stock with the Mongoloid racial stock. The Dental Record, 70, 63-88.
4. H Cooke,Frederick Cox (1979). C-shaped canal configurations in mandibular molars. The Journal of the American Dental Association, 99(5), 836-839.
5. A Kato,A Ziegler,N Higuchi,K Nakata,H Nakamura,N Ohno (2014). Aetiology, incidence and morphology of the C‐shaped root canal system and its impact on clinical endodontics. International Endodontic Journal, 47(11), 1012-1033.
6. K Gulabivala,A Opasanon,Y L Ng,A Alavi (2002). Root and canal morphology of Thai mandibular molars. International Endodontic Journal, 35(1), 56-62.
7. H Jafarzadeh,Y Wu (2007). The C-shaped root canal configuration: a review. J Endod, 33, 517-523.
8. S Manning (1990). Root canal anatomy of mandibular second molars. International Endodontic Journal, 23(1), 40-45.
9. Franklin Weine (1998). The C-shaped mandibular second molar: Incidence and other considerations. Journal of Endodontics, 24(5), 372-375.
10. K Al-Fouzan (2002). C-shaped root canals in mandibular second molars in a Saudi Arabian population. Int Endod J, 35, 499-504.
11. Gaby Haddad,Walid Nehme,Hani Ounsi (1999). Diagnosis, classification, and frequency of C-shaped canals in mandibular second molars in the Lebanese population. Journal of Endodontics, 25(4), 268-271.
12. Von Zuben,M Martins,J Berti,L Cassim,I Flynn,D Gonzalez,J Á Marques,M (2017). Worldwide prevalence of mandibular second molar C-shaped morphologies evaluated by cone-beam computed tomography. J Endod, 43, 1442-1447.
13. M Seo,D Park (2004). C‐shaped root canals of mandibular second molars in a Korean population: clinical observation and <i>in vitro</i> analysis. International Endodontic Journal, 37(2), 139-144.
14. C Melton,K Krell,M Fuller (1991). Anatomical and histological features of C-shaped canals in mandibular second molars. J Endod, 17, 384-388.
15. B Fan,Gsp Cheung,M Fan,J Gutmann,Z Bian (2004). C-shaped Canal System in Mandibular Second Molars: Part I—Anatomical Features. Journal of Endodontics, 30(12), 899-903.
16. B Fan,G Cheung,M Fan,J Gutmann,W Fan (2004). C-Shaped Canal System in Mandibular Second Molars: Part II—Radiographic Features. Journal of Endodontics, 30(12), 904-908.
17. R Zhang,H Wang,Y-Y Tian,X Yu,T Hu,Pmh Dummer (2011). Use of cone-beam computed tomography to evaluate root and canal morphology of mandibular molars in Chinese individuals. International Endodontic Journal, 44(11), 990-999.
18. S Patel,A Dawood,T P Ford,E Whaites (2007). The potential applications of cone beam computed tomography in the management of endodontic problems. International Endodontic Journal, 40(10), 818-830.
19. Aaomr Aae (2015). AAE and AAOMR Joint Position Statement. Journal of Endodontics, 41(9), 1393-1396.
20. D Altman (1991). Practical statistics for medical research. Practical statistics for medical research
21. Team Core (2018). R: A Language and Environment for Statistical Computing. R Foundation for Statistical Computing
22. M Gamer,J Lemon,Ifp Singh (2012). irr: Various Coefficients of Interrater Reliability and Agreement. irr: Various Coefficients of Interrater Reliability and Agreement
23. William Revelle (2018). psych: Procedures for Psychological, Psychometric, and Personality Research. psych: Procedures for Psychological, Psychometric, and Personality Research
24. Alan Agresti,Brent Coull (1998). Approximate Is Better than "Exact" for Interval Estimation of Binomial Proportions. The American Statistician, 52(2), 119.
25. Merino Newcombe R G,C Soto (2006). Intervalos de confianza para las estimaciones de proporciones y las diferencias entre ellas. Interdisciplinaria, 3, 141-154.
26. Di Rienzo,J Casanoves,F Balzarini,M Gonzalez,L Tablada,M Robledo,C (2018). Info Stat versión 2018. Grupo InfoStat. Info Stat versión 2018. Grupo InfoStat
27. Gianluca Plotino,Luigi Tocci,Nicola Grande,Luca Testarelli,Daniela Messineo,Mario Ciotti,Gary Glassman,Ferdinando D'ambrosio,Gianluca Gambarini (2013). Symmetry of Root and Root Canal Morphology of Maxillary and Mandibular Molars in a White Population: A Cone-beam Computed Tomography Study In Vivo. Journal of Endodontics, 39(12), 1545-1548.
28. N Martins,A Mata,D Marques,C Anderson,J Caramês (2016). Prevalence and characteristics of the maxillary C-shaped molar. J Endod, 42, 383-389.
29. Andres Torres,Reinhilde Jacobs,Paul Lambrechts,Claudia Brizuela,Carolina Cabrera,Guillermo Concha,María Pedemonte (2015). Characterization of mandibular molar root and canal morphology using cone beam computed tomography and its variability in Belgian and Chilean population samples. Imaging Science in Dentistry, 45(2), 95.
30. Emmanuel Silva,Yuri Nejaim,Amaro Silva,Francisco Haiter-Neto,Nestor Cohenca (2013). Evaluation of Root Canal Configuration of Mandibular Molars in a Brazilian Population by Using Cone-beam Computed Tomography: An In Vivo Study. Journal of Endodontics, 39(7), 849-852.
31. Santiago Quijano Ortiz (2012). Presencia de conductos en forma de "C" en segundos molares mandibulares. Rev Odontol Latinoam, 4, 33-36.
32. Q Zheng,L Zhang,X Zhou,Q Wang,Y Wang,L Tang,F Song,D Huang (2011). C-shaped root canal system in mandibular second molars in a Chinese population evaluated by cone-beam computed tomography. International Endodontic Journal, 44(9), 857-862.
33. D Helvacioglu‐yigit,A Sinanoglu (2013). Use of cone‐beam computed tomography to evaluate <scp>C</scp>‐shaped root canal systems in mandibular second molars in a <scp>T</scp>urkish subpopulation: a retrospective study. International Endodontic Journal, 46(11), 1032-1038.
34. S Kim,B S Kim,Y Kim (2016). Mandibular second molar root canal morphology and variants in a Korean subpopulation. International Endodontic Journal, 49(2), 136-144.
35. Chaintiou Piorno,R,Consoli Lizzi,E Lenarduzzi,A Rodriguez,P (2018). Reto de la Endodoncia: Conducto en "C. Rev. Fac. de Odon. UBA, 33, 5-9.
