Finite element analysis of SED and facial morphology.

Kazuhiro Murakami, Masayoshi Kawakami, Kazuhiko Yamamoto, Satoshi Horita

Abstract readObservational Study

In one paragraph

Observational study in BMC oral health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed

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1 · What the graph read from it

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3 · Its place in the literature

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1 citing paper in PubMed.

The relationship between disc morphology and condylar bone marrow edema in adolescent patients with anterior disc displacement with reduction: a retrospective cross-sectional study.BMC oral health · 2026
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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Kazuhiro MurakamiDepartment of Oral and Maxillofacial Surgery, Nara Medical University, 840, Shijo-Cho, Kashihara, Nara, 634-8522, Japan. murakami@naramed-u.ac.jp.

Masayoshi KawakamiDepartment of Oral and Maxillofacial Surgery, Nara Medical University, 840, Shijo-Cho, Kashihara, Nara, 634-8522, Japan.

Kazuhiko YamamotoDepartment of Oral and Maxillofacial Surgery, Nara Medical University, 840, Shijo-Cho, Kashihara, Nara, 634-8522, Japan.

Satoshi HoritaDepartment of Oral and Maxillofacial Surgery, Nara Medical University, 840, Shijo-Cho, Kashihara, Nara, 634-8522, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe purpose of this was to construct finite element (FE) models based on computed tomography (CT) data of individual patients during orthodontic treatment and to evaluate the relationship between strain energy density (SED) in the temporomandibular joint (TMJ) disc and the facial morphology of three skeletal patterns (Class 1-3) by cephalometric analysis.

methodsCephalometric analyses were performed on 53 patients. FE models based on the CT images of each patient were constructed, and the mean SED in the bilateral TMJ disc was calculated. The relationships between SED and the cephalometric parameters were evaluated.

resultsSED was significantly greater in Classes 1 and 2 than in Class 3 (p < 0.05). Positive correlations were observed between SED and convexity, ANB angle (p < 0.01), and gonial angle in Class 1 (p < 0.05). A negative correlation was observed between SED and facial angle in Class 3 (p < 0.05). Overall, correlations were found between SED and facial angle, convexity, mandibular angle, Y-axis, SNB, ANB angle, and overjet (p < 0.05).

conclusionIncreased SED in the TMJ disc was associated with clockwise mandibular rotation and superior posterior positioning. Mandibular morphology primarily affected SED, with facial angle, convexity, and ANB being useful predictors of TMJ dysfunction.

Indexed as

FaceFinite Element AnalysisMalocclusionTemporomandibular Joint DiscAdolescentAdultCephalometryFacial BonesFemaleHumansMaleMalocclusion, Angle Class IMalocclusion, Angle Class IIMalocclusion, Angle Class IIIMandibleMaxillaCephalometric analysisFinite element analysisStrain energy densityTemporomandibular joint dysfunctionX-ray computed tomography

Identifiers

PMID40450227

DOI10.1186/s12903-025-06156-2

PMCPMC12125758

What Socratic holds

Textmetadata

LicenceCC BY-NC-ND

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.