Kinesiology of the temporomandibular joint

Tuncer, Ayşenur

doi:10.1016/b978-0-12-812162-7.00014-x

Cited by 8 publications

(9 citation statements)

References 86 publications

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“…The load of the medial pterygoid muscle is associated with the contralateral excursion of the mandible which can be affected by disk displacement. The medial pterygoid is the strongest muscle responsible for shifting of the mandible towards the contralateral side [ 29 ]. Duman et al compared the length of masticatory muscles in patients with temporomandibular dysfunction with the length of those muscles in a control group [ 30 ].…”

Section: Discussionmentioning

confidence: 99%

Temporomandibular Disk Dislocation Impacts the Stomatognathic System: Comparative Study Based on Biexponential Quantitative T2 Maps

Regulski

Zieliński

Szopiński

2022

JCM

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In this study, we aimed to assess the potential impact of temporomandibular disk displacement on anatomical structures of the stomatognathic system using biexponential T2 magnetic resonance imaging (MRI) maps. Fifty separate MRI scans of the temporomandibular joints (TMJ) of 25 patients were acquired with eight echo times. Biexponential T2 maps were created by weighted reconstruction based on Powell’s conjugate direction method and divided into two groups: the TMJ without (32 images) and with (18 images) disk displacement. The disk, retrodiscal tissue, condylar bone marrow, masseter muscle, lateral and medial pterygoid muscles and dental pulp of the first and second molars were manually segmented twice. The intrarater reliability was assessed. The averages and standard deviations of the T2 times and fractions of each segmented region for each group were calculated and analysed with multiple Student’s t-tests. Significant differences between groups were observed in the retrodiscal tissue, medial pterygoid muscle and bone marrow. The pulp short T2 component showed a trend toward statistical significance. The segmentation reliability was excellent (93.6%). The relationship between disk displacement and quantitative MRI features of stomatognathic structures can be useful in the combined treatment of articular disk displacement, pterygoid muscle tension and occlusive reconstruction.

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Section: Discussionmentioning

confidence: 99%

Temporomandibular Disk Dislocation Impacts the Stomatognathic System: Comparative Study Based on Biexponential Quantitative T2 Maps

Regulski

Zieliński

Szopiński

2022

JCM

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“…Thus, the 3-dimensional Temporomandibular anatomy might be used to apply the motion data from the jaw-tracking device. Even though the procedure has been extensively discussed elsewhere (9). Here, we'll provide a succinct summary.…”

Section: Methodsmentioning

confidence: 99%

Association Between Kinematic Center and Anatomy, The Function of Temporomandibular Joint

Khan¹,

Shah²,

Humayun³

et al. 2022

PJMHS

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Background: Evident from the literature, the kinematic center (KC) has been proposed as a reference point for representing movements of the TMJ, which includes jaw openings, closings, and protrusions and retrusions. Objective: The purpose of this study was to determine whether the KC lies in a peculiar anatomical point and whether its trajectory reflects intra-articular distances. Methods: Dynamic stereo-metry was used to track Four closings and openings and Four protrusions/retrusion in fourteen asymptomatic individuals (8 females and 6 males, ages 21-40). Results: According to a 3D lattice (0.5 mm grid) constructed solidly around each condyle, the KC had the largest cross-correlation between protrusion-retrusion paths and opening-closing paths. On closing, KC trajectories were more cranial than on opening, consistent with smaller intraarticular distances on closing. Yet KCs never fell on main condylar axes (distance, 4.5 mm) or coincided with points approximating fossa shapes (distance, 12.5 mm). Conclusion: In this regard, it is unclear what the significance of the kinematic center is anatomically and functionally.

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“…The relationship between tooth decay and temporomandibular Indeed, while the orofacial pain experts seem to have adopted the "biopsychosocial model of TMD" [18], within the broader context of orofacial pain conditions [19], specialists focused on studying and restoring dental occlusion (i.e, orthodontists, prosthodontists, restorative dentists) have traditionally been declined the importance of occlusal dogmas [20].…”

Section: Occlusion and Temporomandibular Disorders (Tmd)mentioning

confidence: 99%

Correlation of Signs and Symptoms of Temporomandibular Disease with Bolton Index

Greven¹,

Piehslinger²,

A³

2021

Int J Dent Oral Health

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Kinesiology of the temporomandibular joint

Cited by 8 publications

References 86 publications

Temporomandibular Disk Dislocation Impacts the Stomatognathic System: Comparative Study Based on Biexponential Quantitative T2 Maps

Temporomandibular Disk Dislocation Impacts the Stomatognathic System: Comparative Study Based on Biexponential Quantitative T2 Maps

Association Between Kinematic Center and Anatomy, The Function of Temporomandibular Joint

Correlation of Signs and Symptoms of Temporomandibular Disease with Bolton Index

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