Patient‐specific finite element models of the human mandible: Lack of consensus on current set‐ups

Merema, B.J.; Kraeima, Joep; Glas, H.H.; Spijkervet, Fred K. L.; Witjes, Max J. H.

doi:10.1111/odi.13381

Cited by 22 publications

(20 citation statements)

References 60 publications

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“…The goal of future research should be to verify whether the assumptions mentioned above were not oversimplifications. To improve the quality of FEA-based research, particular attention should be paid to the stage of model creation [ 62 ]. At present, due to advancements in medical imaging based on scanners and computed tomography, obtaining a precise three-dimensional equivalent of a tested subject is accessible.…”

Section: Limitations and Future Outlookmentioning

confidence: 99%

Application of Finite Element Analysis in Oral and Maxillofacial Surgery—A Literature Review

Lisiak-Myszke¹,

Marciniak

Bieliński

et al. 2020

Materials

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In recent years in the field of biomechanics, the intensive development of various experimental methods has been observed. The implementation of virtual studies that for a long time have been successfully used in technical sciences also represents a new trend in dental engineering. Among these methods, finite element analysis (FEA) deserves special attention. FEA is a method used to analyze stresses and strains in complex mechanical systems. It enables the mathematical conversion and analysis of mechanical properties of a geometric object. Since the mechanical properties of the human skeleton cannot be examined in vivo, a discipline in which FEA has found particular application is oral and maxillofacial surgery. In this review we summarize the application of FEA in particular oral and maxillofacial fields such as traumatology, orthognathic surgery, reconstructive surgery and implantology presented in the current literature. Based on the available literature, we discuss the methodology and results of research where FEA has been used to understand the pathomechanism of fractures, identify optimal osteosynthesis methods, plan reconstructive operations and design intraosseous implants or osteosynthesis elements. As well as indicating the benefits of FEA in mechanical parameter analysis, we also point out the assumptions and simplifications that are commonly used. The understanding of FEA’s opportunities and advantages as well as its limitations and main flaws is crucial to fully exploit its potential.

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Section: Limitations and Future Outlookmentioning

confidence: 99%

Application of Finite Element Analysis in Oral and Maxillofacial Surgery—A Literature Review

Lisiak-Myszke¹,

Marciniak

Bieliński

et al. 2020

Materials

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show abstract

“…Which technique will be incorporated as a reliable tool remains to be answered with scientific studies, but it is likely that in the coming decade surgeons will be supported in intra‐operative decision making by an approved technology. The intra‐operative planning of bone margins is nowadays often routinely supported by 3D technology (Kraeima et al., 2020; Merema et al., 2020; Merema et al., 2020). For example, 3D‐printed cutting guides or navigational devices allow for a highly accurate execution of bone cuts.…”

Section: Figurementioning

confidence: 99%

Cooperation as core value in an innovative era

Witjes

Vissink

2020

Oral Diseases

Self Cite

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Cooperation as core value in an innovative era Diagnosis, treatment, and rehabilitation of patients suffering from oral cancer are shared responsibilities of primary care givers like dentists, physicians and oral medicine specialists, and intramural secondary care specialties. Because of the complex nature of treatment and the necessity of long-term care in most patients, the treatment and follow-up of head and neck cancer patients are confined to centers with dedicated teams in most countries. Early referral of patients suspected for oral cancer is considered important because survival is related to tumor stage and primary care givers play a pivotal role in that respect (Grafton-Clarke et al., 2019). Where health care is organized with possibilities of a quick and easy referral, the risk of delayed referral is greatly reduced. dental rehabilitation after oncological surgery. Several practical issues remain to be resolved, however, such as the timing of placement of dental implants as well as the placement of dental implants in free flaps. Like for surgical planning, planning of an oral rehabilitation is supported by 3D technology. This technology supports precise placement of implants and design of prosthetic devices. Notwithstanding the long experience with dental implants, new ideas based on implant technology still emerge and become implemented in clinical practice. The application of zygoma implants after maxillectomy in combination with soft tissue flaps is an example of a creative idea finding its way into the clinic (Hackett et al., 2020). Treatment of cancer in the head and neck area is commonly accompanied by damage to the salivary glands (Barazzuol et al., 2020; Vissink et al., 2015). Damage to the salivary glands is unavoidable as the salivary glands are located superficially and the ionizing radiation has to pass salivary gland tissue to reach the tumor. While there is many approach to minimize this radiation damage to salivary gland tissue, there is yet no satisfactory therapy to treat radiation-induced salivary gland damage. A feasible option might be harvesting salivary gland tissue during, for example, a head and neck dissection procedure, isolate and proliferate stem cells from this tissue and return these stem cells to the salivary glands that are damaged by the postoperative radiotherapy. Such stem cell therapy is an attractive option for the long-term treatment of hyposalivation related xerostomia induced by irradiation, but is in need of further study in animals and preliminary studies in human before it can evolve into a clinically applicable method. Future studies should also focus on a better understanding of the radiosensitivity of parotid and submandibular salivary gland tissue (Serrano Martinez et al., 2020). All these developments show the benefits for patients of a good cooperation between primary and secondary caregivers. The good cooperation also demonstrates what can be achieved if efforts are focused and put into practice.

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“…Moreover, hardly any study has evaluated the performance of the designed implants under physiologically relevant loading conditions (Nasr et al, 2017). Consequently, a large variety of methodologies for implant design have been established, while standardized procedures regarding the design and testing of such implants have been lacking (Merema et al, 2021). This leads to unpredictable and incomparable results.…”

Section: Introductionmentioning

confidence: 99%

Semi-automated digital workflow to design and evaluate patient-specific mandibular reconstruction implants

Kootwijk

Moosabeiki

Saldívar

et al. 2022

Journal of the Mechanical Behavior of Biomedical Materials

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Patient‐specific finite element models of the human mandible: Lack of consensus on current set‐ups

Cited by 22 publications

References 60 publications

Application of Finite Element Analysis in Oral and Maxillofacial Surgery—A Literature Review

Application of Finite Element Analysis in Oral and Maxillofacial Surgery—A Literature Review

Cooperation as core value in an innovative era

Semi-automated digital workflow to design and evaluate patient-specific mandibular reconstruction implants

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