Evaluation of the forces applied by rubber dam clamps on mandibular first molar teeth with different endodontic access cavities: a 3D FEA study

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Introduction

Materials and Methods

FEA model generation

Design of the clamps

Creation of endodontic access cavities in teeth

  • (B) The mesial caries access cavity (MCAC) model: An endodontic access cavity was opened to reach the pulp chamber of the tooth, assuming the presence of caries or a restoration on the mesial surface of the tooth.

  • (C) The distal caries access cavity (DCAC) model: An endodontic access cavity was opened to access the pulp chamber of the tooth, assuming the presence of caries or a restoration on the distal surface of the tooth.

  • (D) The traditional access cavity (TRADAC) model: The roof of the pulp chamber was completely removed, and an endodontic access cavity was opened to provide direct access to the canal orifices.

  • (E) The conservative access cavity (CAC) model: A central endodontic access cavity was opened on the occlusal surface of the pulp to access the root canal orifices.

  • (F) The truss access cavity (TRSAC) model: Two separate endodontic access cavities were opened to access the root canal orifices.

  • (G) The ultra-conservative access cavity (UAC) model: An endodontic access cavity was opened while preserving as much of the roof of the pulp chamber as possible.

  • (H) The guided access cavity (GEC): Three separate endodontic access cavities of minimal size were drilled for straight-line access to the root canal orifices.

Meshing and set material properties

Calculation of the forces applied and strain measurement

Results

Discussion

Conclusions

Additional Information and Declarations

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Mehmet Eskibağlar conceived and designed the experiments, analyzed the data, authored or reviewed drafts of the article, and approved the final draft.

Serkan Erdem conceived and designed the experiments, performed the experiments, analyzed the data, authored or reviewed drafts of the article, and approved the final draft.

Büşra Karaağaç Eskibağlar performed the experiments, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Mete Onur Kaman performed the experiments, analyzed the data, authored or reviewed drafts of the article, and approved the final draft.

Human Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

Ethical approval was obtained from the Firat University Non-Interventional Research Ethics Committee (session number 2023/09-36).

Funding

The authors received no funding for this work.

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