Evidence map›Paper›PMID 32228551›Full record

ArticleBMC oral health2020

Finite elements analysis of the temporomandibular joint disc in patients with intra-articular disorders.

Linfeng Lai, Chenyao Huang, Fan Zhou, Fujian Xia, Guofeng Xiong

Open access · goldAbstract read
In one paragraph

Article in BMC oral health, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
3.8field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 42 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

Linfeng LaiDepartment of Oral Surgery, The Dingling Clinical Institute of Wenzhou Medical University (Wenzhou Central Hospital), Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
Chenyao HuangDepartment of Oral Surgery, The Dingling Clinical Institute of Wenzhou Medical University (Wenzhou Central Hospital), Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
Fan ZhouDepartment of Oral Surgery, The Dingling Clinical Institute of Wenzhou Medical University (Wenzhou Central Hospital), Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
Fujian XiaDepartment of Oral Surgery, The Dingling Clinical Institute of Wenzhou Medical University (Wenzhou Central Hospital), Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
Guofeng XiongDepartment of Oral Surgery, The Dingling Clinical Institute of Wenzhou Medical University (Wenzhou Central Hospital), Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China. xgf97028@sina.com.
Wenzhou Central Hospital · CNWenzhou Medical University · CN

Funding

Wenzhou health and family planning commission (Y20170763)
6 · The paper itself

Abstract

backgroundIntra-articular disorders (ID) or anterior and/or medial displacement of the temporomandibular joint disorder (TMJ) disc are the most common form of TMJ dysfunction (TMD). TMD causes changes in the friction coefficient during TMJ movement. Herein, we provided a three-dimensional (3D) finite-elements model (FEM) including the maxilla, disc, and mandible and evaluated the stress distribution with different friction coefficient.

methodsFourteen volunteers without TMD and 20 patients with MRI-diagnosed TMD were selected. CT and MRI data were collected to build the 3D FEA model of the mandible and TMJ disc. Stress distribution with different friction coefficient was measured.

resultIn the normal model, stress distribution on the TMJ disc was 2.07 ± 0.17, 1.49 ± 0.14, and 1.41 ± 0.14 MPa with 0.001, 0.3, and 0.4 friction coefficient, respectively. In the TMD model, stress distribution was 3.87 ± 0.15, 7.23 ± 0.22, and 7.77 ± 0.19 MPa respectively.

conclusionWhen the friction coefficient of the side with anterior displacement increased, stress on the disc, condyle and mandible of the opposite side increased. Simultaneously, stress values of the disc, condyle and mandible were higher than those of the normal lateral joint.

Indexed as

AdolescentAdultCase-Control StudiesFemaleFinite Element AnalysisHumansJoint DislocationsMagnetic Resonance ImagingMaleMiddle AgedTemporomandibular JointTemporomandibular Joint DiscTemporomandibular Joint DisordersTomography, X-Ray ComputedYoung AdultFinite elements analysis (FEA)Finite elements model (FEM)Friction coefficientIntra-articular disorders (ID)Temporomandibular joint (TMJ)TMJ disorder (TMD)

Identifiers

PMID32228551
PMCPMC7106847
OpenAlexW3012985855

What OpenQuestion holds

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LicenceCC BY
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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 OpenQuestion graph.