Biomechanics Studies in Dentistry

A special issue of Oral (ISSN 2673-6373).

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 3364

Special Issue Editors

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Guest Editor
Department of Dental Materials, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije Universiteit Amsterdam, 1081 LA Amsterdam, The Netherlands
Interests: dental materials; adhesive dentistry; biomechanics; finite element analysis; dental implants; prosthetic dentistry; dental ceramics; fatigue; dental restoration failure
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Dentistry, Center for Biological and Health Sciences, Western Paraná State University (Unioeste), Cascavel 85819-110, Brazil
Interests: Restorative dentistry; fiberglass posts; biomechanics; finite element analysis; resin composite; prosthetic dentistry; full-crown preparation; fatigue; oral rehabilitation

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Guest Editor
Institute of Science and Technology, São Paulo State University-UNESP, São José dos Campos 12220-000, Brazil
Interests: biomechanics; denture; removable prothesis; electrospinning; nanofibers; polymers; bioglass; biomaterials; finite element method; stress analysis; photoelasticity

Special Issue Information

Dear Colleagues,

In modern-day dentistry, the success of restorative dental treatments is affected by several clinical and laboratorial parameters.

In former times, the assessment of biomaterials’ restorative mechanical properties was used to predict procedures’ clinical success based on a purely quantitative ranking, without considering the complexity of the oral environment and individual characteristics. Constant properties, such as compressive strength, tensile strength, hardness and toughness, were widely investigated. Nowadays, these mechanical properties are often required to characterize a new material and to understand how it should be implemented in traditional, established materials. Yet, antagonists, the fatigue effect, pH variation and other variables should also be evaluated in order to mimic an unfriendly oral environment.

Precise treatment by dentists can promote durable rehabilitation that will endure chewing loads in the long term. However, errors in dental materials processing, the wrong design of the prosthetic structure, an increased number of defects, high residual stress concentration, wrong geometry, excessive polymerization shrinkage and many others factors can affect the mechanical behavior of dentistry biomaterials.

Several studies have studied the influence of different factors on the biological response with bioengineering tools. Methods including finite element analysis, strain gauge, photoelasticity and digital image correlation are widely used to explore possible solutions in dentistry. Every year, new methods arise and a deeper knowledge of oral biomechanics is achieved.

There is still a lack of data on the clinical and laboratorial parameters that can be controlled to increase treatment performance and the biomechanical response of dental treatments using contemporary dental biomaterials. In addition, digital dentistry has opened up new possibilities, such as chairside workflows; however, these still need to be scientifically established. All of these factors are of great interest for both technicians and clinicians, considering that such findings can be applied to empirically establish adequate dental treatments.

With that in mind, this Special Issue invites you to disseminate your findings on the following themes:

  • Assessment of indirect restorations;
  • Stress generated during chewing loading;
  • Reliability and clinical performance of direct and indirect prosthetic materials;
  • Long-term simulations showing the failure origin and fracture features of failed dental treatments;
  • Evaluation of mechanical response using biomechanical tools in the maxillofacial complex;
  • Procedures to improve the restorations’ longevity and improve patient life quality.

Dr. Joao Paulo Tribst
Dr. Guilherme Schmitt De Andrade
Dr. Alexandre Luiz Souto Borges
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Oral is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Published Papers (1 paper)

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17 pages, 44840 KiB  
Three-Dimensional Finite Element Analysis on Mandibular Biomechanics Simulation under Normal and Traumatic Conditions
by Mihaela Hedeșiu, Dan George Pavel, Oana Almășan, Sorin Gheorghe Pavel, Horia Hedeșiu and Dan Rafiroiu
Oral 2022, 2(3), 221-237; - 19 Aug 2022
Cited by 2 | Viewed by 2824
The main objective was to examine the biomechanical behavior of the mandible under standardized trauma and to develop models of biomechanical responses when the mandible is subjected to various simulated impacts. A homogenous model based on the bone’s average mechanical properties was used. [...] Read more.
The main objective was to examine the biomechanical behavior of the mandible under standardized trauma and to develop models of biomechanical responses when the mandible is subjected to various simulated impacts. A homogenous model based on the bone’s average mechanical properties was used. To simulate external loads on the mandible, forces on the chin, forces in an anteroposterior direction, and forces from the basilar edge were applied. To simulate mandibular biomechanics, we employed a model created in the ANSYS v19.0 software. The skull with the temporomandibular joint (TMJ) from the Grabcad website was used as the geometric mandibular model. We attempted to simulate the stresses developed in the mandible by impact forces. The amount of force (F) corresponded to the fall of a five-kilogram body (the head), from a height of two meters (F = 6666.7 N). The impact force was applied perpendicular to an arbitrary surface of an area of 10−3 m2. Impact on the chin region and lateral impact on the mandible, from the basilar edge to the gonion were examined. The investigated clinical situations were mandibular complete dentition; jaw with missing mandibular molars; missing third molar and first and second premolars; missing canine, third molar, first and second premolars, and complete edentation. In a normal bite, the highest stress was on the TMJ area. In case of impact on the chin, in complete edentation, a mandibular fracture occurred; in case of impact on the gonion, all stress values exceed the limit value above which the mandible in the condyle area may fracture. Full article
(This article belongs to the Special Issue Biomechanics Studies in Dentistry)
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