Evaluation of the Apical Sealing Associated with Maxillary First Molars Radicular Morphology using Cone Beam Computed Tomography

Jesús Antonio Pescador-Alvarez, Luis Ernesto Arriola-Guillén, Yalil Augusto Rodríguez-Cárdenas, Gustavo Armando Ruiz-Mora, Oscar Enrique Almeda, Maria Eugenia Guerrero

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: To evaluate the grade of apical sealing associated with the root morphology of maxillary first molars with conventional endo-treatments using cone bean computed tomography (CBCT). Materials and Methods: The sample included 47 CBCTs. Evaluations were performed independently by one previously trained and calibrated examiner. The grade of apical sealing was evaluated (total sealing, less than 2 mm of sealing, greater than 2 mm unsealed, unsealed and oversealed). Molar angulation according to the palatal plane and the longitudinal axis (vertical, vestibular and palatal), the number of canals, the presence or absence of a second mesiobuccal canal (MB2) and root shape (straight, curved, bayonet, angled, merged, bifurcated) were also assessed. Statistical analysis was performed using the Chi-square test. Results: There were no differences in apical sealing according to root morphology, shape and molar root inclination (p>0.05). A significant association was reported between the presence of MB2 and a buccal inclination of the maxillary first molar (p = 0.048). Conclusions: Root morphology and molar angulation did not affect the apical sealing of maxillary first molars. However, the presence of the MB2 was associated with a buccal inclination of the maxillary first molar.

Original languageEnglish
Pages (from-to)174-180
Number of pages7
JournalCumhuriyet Dental Journal
Volume23
Issue number3
DOIs
StatePublished - 2020

Bibliographical note

Publisher Copyright:
© 2020. All Rights Reserved.

Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.

Keywords

  • Cone-beam CT
  • dental pulp cavity
  • molar
  • root canal obturation

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