Root Canal Components

Ordinola‐Zapata, Ronald; Versiani, Marco Aurélio; Bramante, Clóvis Monteiro

doi:10.1007/978-3-319-73444-6_3

Cited by 4 publications

(7 citation statements)

References 52 publications

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“…Because the apical foramen and these accessory canals facilitate communication between the pulp space and periodontium, they can act as avenues for the extension of disease between tissues 32 . Since some of the second molars present a complex root canal morphology, the clinician should consider that some of the observed bone loss can be accelerated by a necrotic tooth, which is associated with primary endodontic lesions 42 …”

Section: Discussionmentioning

confidence: 99%

Evaluation of root morphology of maxillary and mandibular second molars lost due to periodontitis

Kato

Hishikawa

Inagaki

et al. 2020

J of Periodontal Research

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Background and objective Little is known about the anatomical characteristics of root morphology in molars lost due to periodontal reason. The aim of this study was to study root morphology in maxillary and mandibular molars lost due to periodontitis by investigating the frequency of root fusion, classifying fusion types, and measuring radicular groove depth by micro‐computed tomography. Material and methods Ninety‐eight posterior teeth were collected from 87 Japanese patients during the study period. Of these, maxillary (N = 36) and mandibular (N = 22) second molars lost most frequently were assessed for root fusion and morphology. Results The 36 maxillary second molars included nine (25%) teeth with a single root, 14 (39%) with two roots, and 13 (36%) with three roots. Of the 23 maxillary second molars with fused (1 and 2) roots, there were 11 (48%), 2 (9%), 1 (4%), 1 (4%), 3 (13%), and 5 (22%) teeth with root types 1‐6, respectively. The 22 mandibular second molars comprised 14 (64%) teeth with a single root, 7 (32%) with two roots, and one (4%) with three roots. Of the 14 mandibular second molars with a fused (1) root, 12 (86%) had a C‐shaped root and two (14%) had a non‐C‐shaped root. Conclusion We observed a higher frequency of root fusion in the present study compared with that reported by previous studies using randomly selected second molars.

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Section: Discussionmentioning

confidence: 99%

Evaluation of root morphology of maxillary and mandibular second molars lost due to periodontitis

Kato

Hishikawa

Inagaki

et al. 2020

J of Periodontal Research

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“…They can also be observed in CBCT scans if the voxel size is small enough to reveal them 56 . Lateral canals are usually unlikely to be instrumented, hence their content can only be neutralized by using proteolytic agents during the irrigation step 57,58 . In the case of treatment failure, it has been proposed that an apical 3‐mm surgical resection of the root followed by root‐end preparation and filling be completed in order to eliminate accessory canals and their potential toxic content 59 …”

Section: The Complexity Of the Root Canal Systemmentioning

confidence: 99%

Anatomical complexities affecting root canal preparation: a narrative review

Versiani,

Martins,

Ordinola‐Zapata

2023

Australian Dental Journal

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A fundamental aspect of the Endodontic field is the knowledge of root canal anatomy. Using a variety of techniques, the internal and external anatomy of teeth have been extensively investigated throughout the past century. Recent improvements in three‐dimensional computed tomography have enabled more detailed evaluations of root canal morphology in both clinical and laboratory settings. Essentially, researches have unveiled that the root canal constitutes a complex system, comprising not only the main root canal but also lateral components, including isthmuses, fins, accessory canals and apical ramifications. Undoubtedly, this intricate morphology poses a significant challenge when it comes to the process of shaping, cleaning and disinfecting the root canal system. This article aims to explore the anatomical aspects of the root canal system that impact the chemomechanical procedures.

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“…1 Ordinola-Zapata et al created a modified classification system based on micro-CT scans, and identified 37 types of root canal configuration. 2 Further studies are needed to evaluate the use of this classification in CBCT examinations.…”

Section: Introductionmentioning

confidence: 99%

Prevalence of two-rooted and one-rooted mandibular canines with two root canals in Poland, assessed using CBCT: A preliminary study

Piskórz¹,

Futyma-Gąbka²,

Różyło‐Kalinowska³

2023

Dent. Med. Probl.

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Background. The normal anatomy of mandibular canines presents with 1 root and 1 root canal. Two roots are found in approx. 2% of cases, and a bilateral configuration is even rarer. Canines with 2 root canals are found in around 15% of cases. Cone-beam computed tomography (CBCT) enables the detailed visualization of the teeth.Objectives. The present study aimed to evaluate the prevalence of two-rooted mandibular canines and one-rooted mandibular canines with 2 root canals in a Polish population by using CBCT. Material and methods.A total of 300 consecutive CBCT scans, taken for different clinical indications, were examined to assess permanent mandibular canine anatomy. The study group included 182 females and 118 males aged 12-86 years (mean age: 31.7 years).Results. Among 600 cases, 27 two-rooted teeth were found (4.5%), and there were only 6 cases of onerooted mandibular canines with 2 root canals (1.0%). Six cases of two-rooted canines had this configuration bilaterally, all in females. Five cases of canines with 2 root canals were found on the left side (83.3%). The predominance of the occurrence of two-rooted canines in females (81.5%) was strongly emphasized. Conclusions.The prevalence of two-rooted mandibular canines in a Polish population, evaluated by means of CBCT, was higher, while the presence of 2 root canals was lower than in recent literature reports. There was no side predilection of two-rooted mandibular canines, although their occurrence was higher in females.

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Root Canal Components

Cited by 4 publications

References 52 publications

Evaluation of root morphology of maxillary and mandibular second molars lost due to periodontitis

Evaluation of root morphology of maxillary and mandibular second molars lost due to periodontitis

Anatomical complexities affecting root canal preparation: a narrative review

Prevalence of two-rooted and one-rooted mandibular canines with two root canals in Poland, assessed using CBCT: A preliminary study

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