Anatomy Research International / 2013 / Article / Tab 5

Review Article

Root Anatomy and Root Canal Configuration of Human Permanent Mandibular Premolars: A Systematic Review

Table 5

Table summarizing case reports of anatomical variations of roots and root canals in mandibular second premolars.

Number of rootsRoot canal anatomyDiagnostic modeCountryReference

1 root3 canalsR/GUSANallapati [46], 2005
3 canalsR/GIndia N. Kararia and V. Kararia [60], 2013
4 canalsR/GIsrealHoltzman [61], 1998
4 canalsR/GUSAWong [62], 1991
5 canalsR/GArgentinaMacri and Zmener [63], 2000
C-shapedMicro-CT after extractionBritainCleghorn et al. [55], 2008

2 roots2 canalsR/GIndiaGoswami et al. [64], 1997
2 canalsR/GIndiaPrakash et al. [65], 2008
3 canalsR/GChinaChan et al. [53], 1992
3 canalsR/GGermanyRödig and Hülsmann [66], 2003
3 canalsR/GBelgiumDe Moor and Calberson. [67], 2005
3 canalsR/GIranLotfi et al. [68], 2008
3 canalsR/GBrazilSoares et al. [69], 2009
3 canalsR/GIranShokouhinejad [70], 2009
3 canalsR/GIndiaAguiar et al. [71], 2010
3 canalsR/GIndiaPoorni et al. [49], 2010
4 canalsR/GUSABram and Fleisher [72], 1991
4 canalsR/GSaudi ArabiaAl-Fouzan [73], 2001
4 canalsR/GUnited KingdomRhodes [74], 2001
4 canalsR/GGreeceTzanetakis et al. [75], 2007
3 canalsExtractionUSAFischer and Evans [54], 1992
3 canalsR/GIranShalavi et al. [76], 2012
3 canalsCBCTIranMokhtari et al. [77], 2013
4 canalsExtractionUSAShapira and Delivanis [78], 1982

4 roots
4 canalsSCTIndianSachdeva et al. [79], 2008
4 canalsR/GGreeceFarmakis [80], 2008

CBCT: cone beam computed tomography, Micro-CT: microcomputed tomography, SCT: spiral computed tomography, and R/G: radiograph.

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