scholarly journals Quantification of the Dental Morphology of Orangutans

2013 ◽  
Vol 2013 ◽  
pp. 1-10 ◽  
Author(s):  
P. Nambiar ◽  
J. John ◽  
Samah M. Al-Amery ◽  
K. Purmal ◽  
W. L. Chai ◽  
...  
Keyword(s):  
Root Canal ◽  
Dental Treatment ◽  
Dental Morphology ◽  
Crown Height ◽  
Posterior Teeth ◽  
Crown Length ◽  
Bornean Orangutan ◽  
Anterior Teeth ◽  
Root Canal Morphology ◽  
Canal Morphology

Orangutans are believed to have close biological affinities to humans. Teeth being the hardest tissue provide useful information on primate evolution. Furthermore, knowledge of the pulp chamber and root canal morphology is important for dental treatment. A female Bornean orangutan and a Sumatran male orangutan skull were available for this study. Both of their dentitions, comprising 50 teeth, were scanned employing the cone-beam computed tomography for both metrical and nonmetrical analyses. Measurements included tooth and crown length, root length, enamel covered crown height, root canal length (posterior teeth), length of pulpal space (anterior teeth), and root canal width. Nonmetrical parameters included number of canals per root, number of foramina in each root, and root canal morphology according to Vertucci’s classification. It was found that the enamel covered crown height was the longest in the upper central incisors although the canine was the longest amongst the anterior teeth. Both the upper premolars were three-rooted while the lower second premolar of the Sumatran orangutan was two-rooted, with two foramina. The mandibular lateral incisors of the Bornean orangutan were longer than the central incisors, a feature similar to humans. In addition, secondary dentine deposition was noticed, a feature consistent with aged humans.

scholarly journals Endodontic treatment of lower anterior teeth with multiple canals

2011 ◽  
Vol 58 (3) ◽  
pp. 168-173
Author(s):  
Mirjana Vujaskovic ◽  
Nikola Stojanovic ◽  
Goran Vujaskovic
Keyword(s):  
Case Report ◽  
Root Canal ◽  
Clinical Finding ◽  
Endodontic Treatment ◽  
Lateral Incisor ◽  
Tooth Structure ◽  
Gutta Percha ◽  
Anterior Teeth ◽  
Root Canal Morphology ◽  
Canal Morphology

Introduction. Knowledge of root canal morphology is one of the main prerequisites for successful endodontic treatment. We present the case of a patient with multiple canals in lower anterior teeth which were treated endodontically. Case Report. To a 45-year-old patient endodontic treatment was applied on lower left lateral incisor, lower right central and lateral incisor and lower right canine. These teeth were previously prepared for prosthetic crowns. All involved teeth had two canals which were not visible on the primary radiographs. Gracility of remaining tooth structure and canals and the presence of two canals in each tooth required additional radiographs for verification of multiple canals. Careful biomechanical instrumentation and irrigation with use of lubrication due to narrow canals was performed. The canals were obturated with gutta-percha using lateral compaction technique and Acroseal (Septodont) paste. On the control checkup after eight months, the patient was asymptomatic, while clinical finding was normal. Conclusion. Complexity of presented case was even more significant because these teeth were prepared to support prosthetic superstructure and crowns, and every ?forgotten? canal is an iatrogenic error.

scholarly journals Morphologic assessment of mandibular anterior teeth root canal using CBCT

2018 ◽  
Vol 46 (2) ◽  
pp. 85
Author(s):  
Sina Haghanifar ◽  
Ehsan Moudi ◽  
Ali Bijani ◽  
Mohammad Kazemi Ghanbarabadi
Keyword(s):  
Root Canal ◽  
Dental Treatment ◽  
Bilateral Symmetry ◽  
Cross Sectional Study ◽  
Type I ◽  
Cross Sectional ◽  
Root Canals ◽  
Crown Length ◽  
Anterior Teeth ◽  
Type V

<div class="WordSection1"><p><strong>Objective</strong>. The aim of this study was to evaluate the number and mor- phological characteristics of the roots and root canals in mandibular anterior teeth, using cone beam computed tomography. <strong>Methods and materials. </strong>In this cross-sectional study, 1053 anterior mandibular teeth from 200 CBCT scans were evaluated. The teeth were complete- ly developed and should have had no fillings in the root or crown. The teeth were investigated in terms of the number of roots and root canals, the location of the apical foramen, the distance of the apical foramen to the anatomical apex, root length, crown length, dilacera- tions and the type of canals according to Vertucci’s classification. <strong>Re- sults</strong>. 87.9% of teeth had one root canal and of all of the teeth, three canines (0.3%) were found that had two roots. In 80.3% (n: 848) of cases the foramen apical location was central, then the buccal (9.3%), lingual (3.9%), distal (3.8%), and mesial (2.7%). The type of root ca- nals, according to Vertucci’s classification, with respect to prevalence, included type I (88.2%), type III (8.1%), type II (3.3%), type V (0.3%), and type VI (0.1%), respectively. In terms of the characteristics inves- tigated, bilateral symmetry was observed. Dilaceration was not seen in any of the teeth. <strong>Conclusion</strong>. The root canal morphology of mandibu- lar anterior teeth has great diversity that may differ between different races, and should be considered by all dentists in order to achieve the best dental treatment.</p></div><br clear="all" /><p> </p>

scholarly journals Unusual anatomy of permanent maxillary and mandibular molars: Case reports

2019 ◽  
Vol 147 (7-8) ◽  
pp. 475-478
Author(s):  
Aleksandra Misic ◽  
Suzana Zivanovic ◽  
Mirjana Radovic ◽  
Milos Papic ◽  
Milica Popovic
Keyword(s):  
Root Canal ◽  
Dental Treatment ◽  
Case Reports ◽  
Anatomical Variations ◽  
Root Anatomy ◽  
First Case ◽  
Extraction Therapy ◽  
Canal Systems ◽  
Root Canal Morphology ◽  
Canal Morphology

Introduction. The anatomy and morphology of the roots and root canal systems of multi-rooted teeth, especially the molars, shows numerous variations. Preoperative radiography, in particular cone-beam computed tomography (CBCT), has exceptional significance in detecting anatomical variations and unusual root canal morphologies, which are extremely important to be familiar with in order to undertake successful endodontic therapy and minimize procedural errors. Outline of cases. This report presents cases of incidental diagnosis of an unusual root anatomy and root canal morphology of permanent molars in two patients. Diagnosis in the first case was made using orthopantomography and confirmed after extraction therapy. The second case reviled unusual root anatomy and root canal morphology of the permanent molar after preoperative CBCT imaging. Conclusion. Anatomical and morphological variations of roots and root canal systems can occur in any tooth. Clinicians should expect these variations, which should be thoroughly investigated when considering dental treatment.

scholarly journals Endodontic management of a perforated and geminated maxillary first premolar with aid of cone beam computed tomography: A case report

2019 ◽  
Vol 4 (3) ◽  
pp. 97-98
Author(s):  
Abbas Basiri ◽  
◽  
Shervin Bagherieh ◽  
Keyword(s):  
Computed Tomography ◽  
Case Report ◽  
Cone Beam Computed Tomography ◽  
Root Canal ◽  
Anatomical Variation ◽  
Endodontic Treatment ◽  
Cone Beam ◽  
Anterior Teeth ◽  
Root Canal Morphology ◽  
Canal Morphology

Variations in the root canal morphology have been extensively reported in endodontic literature. Gemination is one rare variation frequently seen in anterior teeth which are defined by two clinical crowns joining in one root. This study reports a maxillary first premolar with gemination. Although uncommon, knowing about this anatomical variation can help in successful endodontic treatment.

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