The root and root canal morphology of the human mandibular premolars: A literature review

Jha, Padmanabh; Nikhil, Vineeta; Arora, Vipin; Jha, Mesha

doi:10.4103/2321-4619.111226

Cited by 4 publications

(4 citation statements)

References 12 publications

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“…Examples of complex canal configurations identified in this study include 2-3-4-2 and 2-5-4-2-1 ( Fig. 5 , 6 ). Some of the samples resemble the supplementary configuration types to Vertucci classification that was reported by Sert and Bayirli ( 14 ).…”

Section: Discussionmentioning

confidence: 91%

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Root and canal morphology of mandibular premolar teeth in a Kuwaiti subpopulation: A CBCT clinical study

et al. 2020

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Objective: To study the root and root canal morphology of mandibular premolars in a Kuwaiti subpopulation using cone-beam computed tomography (CBCT). Methods: 152 CBCT images were obtained from the radiology department archives of four dental centers in Kuwait. A total of 476 mandibular premolar teeth were analyzed by two observers. The number of roots, root canal configuration types and canal curvature measurements were examined. The relationship between sex, tooth position, and incidence of an additional canal were compared using the chi-square test, and the level of significance was set at 0.05 (P=0.05). Results: The number of roots in mandibular first premolars was one in 73.9%, two in 24.9%, three and four in 1.2%. On the other hand, the number of roots in mandibular second premolars was one in 79.2% and two in 20.8%. Based on Vertucci’s classification system, 18.7% of the teeth were type II followed by type VI (14.3%). The majority of the examined teeth were straight (74.8%) and the incidence of distal root angulation was about 21%. Canal configurations not included in the Vertucci classification were reported in 102 teeth (21.4%). Variability was significantly higher in the second premolars compared to first premolar (P<0.05). Conclusion: The Kuwaiti population has complex root canal morphology in mandibular premolar teeth.

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Section: Discussionmentioning

confidence: 91%

“…Mandibular first premolars are amongst the most Challenging teeth to treat because of the high incidence of multiple roots or canals ( 4 ). In addition, these teeth have a high rate of failure after root canal treatment ( 6 ).…”

Section: Introductionmentioning

confidence: 99%

Root and canal morphology of mandibular premolar teeth in a Kuwaiti subpopulation: A CBCT clinical study

et al. 2020

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“…3 Thus, these teeth have a high rate of failure after root canal treatment. 4 To study the canal morphology, different study designs (in vivo and ex vivo) and different techniques (staining and clearing, 5 transverse cross-sectioning, 6 conventional periapical radiography, 7 and micro-computed tomographic imaging, 8 a contrast medium-The CBCT volumes were processed and reconstructed using Galaxy Gallileo Implant software. Axial, coronal, and sagittal sections, as well as multiplanar reconstructed (MPR) sections of the mandibular premolars, were displayed on a 21-inch Dell LCD monitor at a resolution of 1280 × 1024 pixels.…”

Section: Introductionmentioning

confidence: 99%

Assessment of root and root canal morphology of mandibular premolars using cone beam computed tomography in a tertiary center of Nepal

et al. 2022

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Introduction: Mandibular premolars are considered an enigma in dentistry because of their variability in anatomical and morphological features making it difficult to treat endodontically. This study was conducted to determine the root and canal morphology of mandibular premolars in the Nepalese population by using cone beam computed tomography imaging. Methods: One hundred and thirty-four cone beam computed tomography images of the Nepalese population were collected by convenience sampling method from April 1 to August 31, 2022 in Bir Hospital, Kathmandu, Nepal. A total of 536 premolars (268 mandibular first premolars and 268 mandibular second premolars) were evaluated by two examiners (one endodontist and one oral radiologist). Canal configuration was classified according to Vertucci’s classification. Results: In mandibular premolar teeth, the majority had one root followed by two roots and fused roots. The most common configuration in mandibular premolars was Vertucci’s type I (83.88% and 96.65% in the first and second premolar respectively) followed by type V (9.89%) in the first premolar and type III (1.86%) in the second premolar. Vertucci’s type VII (0.37%), C-shaped configuration (1.46%), and an unusual configuration (0.37%) were observed in the first premolar. In mandibular first premolars, males showed more variation than females; while in second premolars, females showed more variation than males. Conclusions: Mandibular premolar teeth showed variation in root and canal morphology with one root and Vertucci’s type I in the majority of the cases.

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“…Complete knowledge of morphology and anatomy of root canal is necessary for a successful endodontic treatment. 1 Improper instrumentation and cleaning of root canal can result in endodontic failure. 2 Many times extra root canals are missed out specifically in teeth which have more anatomical variation.…”

Section: Introductionmentioning

confidence: 99%

Aberrant Pathway from Frustration to Fascination: Mandibular Second Premolar with Three Root Canals: A Case Report

Yadav¹,

Adyanthaya²,

Sarshwat³

et al. 2018

IHRJ

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Human mandibular premolars gained popularity as they have complex root and root canal morphology. Multiple roots and canals are more common in mandibular first premolars when compared to mandibular second premolars. The occurrence of three root canals and separate foramina in mandibular second premolars is not common. In this case report, endodontic management of a three-rooted mandibular second premolar is discussed.

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The root and root canal morphology of the human mandibular premolars: A literature review

Cited by 4 publications

References 12 publications

Root and canal morphology of mandibular premolar teeth in a Kuwaiti subpopulation: A CBCT clinical study

Root and canal morphology of mandibular premolar teeth in a Kuwaiti subpopulation: A CBCT clinical study

Assessment of root and root canal morphology of mandibular premolars using cone beam computed tomography in a tertiary center of Nepal

Aberrant Pathway from Frustration to Fascination: Mandibular Second Premolar with Three Root Canals: A Case Report

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