Evaluation of radix entomolaris in mandibular first and second molars using cone-beam computed tomography and review of the literature

Cantatore G, Berutti E, Castellucci A. Missed anatomy: frequency and clinical impact. Endod Topics. 2009;15:3–31.

Google Scholar 

Vertucci FJ. Root canal anatomy of the human permanent teeth. Oral Surg Oral Med Oral Pathol. 1984;58:589–99.

PubMed 

Google Scholar 

Bajaj P, Ahir B, Rane P. The radix entomolaris in mandibular molars: clinical approach in endodontics. Int J Dent Case Rep. 2014;4:95–100.

Google Scholar 

Bolk L. Bemerkungen über wurzelvariationen am menschlichen unteren molaren. Zeitschrift für Morphol und Anthropol. 1915;3:605–10.

Google Scholar 

Carlsen O, Alexandersen V. Radix entomolaris: identification and morphology. Scand J Dent Res. 1990;98:363–73.

PubMed 

Google Scholar 

Ribeiro FC, Consolaro A. Importancia clinica y antropologica de la raiz distolingual en los molars inferiores permanentes. Endodontica. 1997;15:72–8.

Google Scholar 

Yang Y, Zhang LD, Ge JP, Zhu YQ. Prevalence of 3-rooted first permanent molars among a Shanghai Chinese population. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2010;110:98–101.

Google Scholar 

Zhang R, Wang H, Tian YY, Yu X, Hu T, Dummer PMH. Use of cone-beam computed tomography to evaluate root and canal morphology of mandibular molars in Chinese individuals. Int Endod J. 2011;44:990–9.

PubMed 

Google Scholar 

Tu MG, Tsai CC, Jou MJ, Chen WL, Chang YF, Chen SY, et al. Prevalence of three-rooted mandibular first molars among Taiwanese individuals. J Endod. 2007;33:1163–6.

PubMed 

Google Scholar 

Tu MG, Huang HL, Hsue SS, Hsu JT, Chen SY, Jou MJ, et al. Detection of permanent three-rooted mandibular first molar by cone-beam computed tomography imaging in Taiwanese individuals. J Endod. 2009;35:503.

PubMed 

Google Scholar 

Song JS, Choi HJ, Jung IY, Jung HS, Kim SO. The prevalence and morphologic classification of distolingual roots in the mandibular molars in a Korean population. J Endod. 2010;36:653–7.

PubMed 

Google Scholar 

Bharti R, Arya D, Saumyendra VS, Kulwinder KW, Tikku AP, Chandra A. Prevalence of radix entomolaris in an Indian population. Indian J Stomatol. 2011;2:165–7.

Google Scholar 

Chandra SS, Chandra S, Shankar P, Indira R. Prevalence of radix entomolaris in mandibular permanent first molars: a study in a South Indian population. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2011;112:77–82.

Google Scholar 

Sperber GH, Moreau JL. Study of the number of roots and canals in senegalese first permanent mandibular molars. Int Endod J. 1998;31:117–22.

PubMed 

Google Scholar 

Martins JNR, Marques D, Mata A, Caramês J. Root and root canal morphology of the permanent dentition in a caucasian population: a cone-beam computed tomography study. Int Endod J. 2017;50:1013–26.

PubMed 

Google Scholar 

Schafer E, Breuer D, Janzen S. The prevalence of three-rooted mandibular permanent first molars in a German population. J Endod. 2009;35:202–5.

PubMed 

Google Scholar 

Demirbuga S, Sekerci AE, Dinçer AN, Cayabatmaz M, Zorba YO. Use of cone-beam computed tomography to evaluate root and canal morphology of mandibular first and second molars in Turkish individuals. Med Oral Patol Oral Cir Bucal. 2013;18:737.

Google Scholar 

Çolak H, Özcan E, Hamidi MM. Prevalence of three-rooted mandibular permanent first molars among the Turkish population. Niger J Clin Pract. 2012;15:306–10.

PubMed 

Google Scholar 

Altun O, Duman SB, Bayrakdar IS, Yasa Y, Duman S, Günen Yılmaz S. Cone beam computed tomography imaging of superior semicircular canal morphology: a retrospective comparison of cleft lip/palate patients and normal controls. Acta Odont Scand. 2018;76:247–52.

PubMed 

Google Scholar 

Dube M, Trivedi P, Pandya M, Kumari M. Incidence of radix entomolaris in the Indian population—an in vitro and in vivo analysis. J Int Oral Health. 2011;3:35–45.

Google Scholar 

Xue Y, Lin W, Jie L, Qing D. Caries status of the first permanent molar among 7-to 9-year-old children in Tangshan city and their correlation. Hua Xi Kou Qiang Yi Xue Za Zhi. 2015;33:54–7.

PubMed 

Google Scholar 

Bhatia S, Kohli S, Parolia A, Yap NHL, Lai CT, Tan EH. Prevalence of radix molar in mandibular permanent molars: an observational study in Malaysian population. Oral Health Dent Manag. 2015;14:32–6.

Google Scholar 

Calberson FL, De Moor RJ, Deroose CA. The radix entomolaris and paramolaris: clinical approach in endodontics. J Endod. 2007;33:58–63.

PubMed 

Google Scholar 

Kuzekanani M, Walsh LJ, Haghani J, Kermani AZ. Radix entomolaris in the mandibular molar teeth of an Iranian population. Int J Dent. 2017;21:1–5.

Google Scholar 

Wang Q, Yu MG, Zhou XD, Peters OA, Zheng QH, Huang DM. Evaluation of X-ray projection angulation for successful radix entomolaris diagnosis in mandibular first molars in vitro. J Endod. 2011;37:1063–8.

PubMed 

Google Scholar 

Carlsen O, Alexandersen V. Radix paramolaris in permanent mandibular molars: identification and morphology. Scand J Dent Res. 1991;99:189–95.

PubMed 

Google Scholar 

Rodrigues CT, Oliveira-Santos CD, Bernardineli N, Duarte MAH, Bramante CM, Minotti-Bonfante PG, et al. Prevalence and morphometric analysis of three-rooted mandibular first molars in a Brazilian subpopulation. J Appl Oral Science. 2016;24:535–42.

Google Scholar 

Carabelli G. Systematisches Handbuch der Zahnheilkunde, vol 1844, 2nd ed, Braumu ̈ller and Seidel, Vienna pp 114.