Correlation between refractive error, muscle thickness, and bioelectrical activity of selected masticatory muscles

Zieliński, Grzegorz; Wójcicki, Marcin; Rapa, Maria; Matysik-Woźniak, Anna; Baszczowski, Michał; Ginszt, Michał; Litko-Rola, Monika; Szkutnik, Jacek; Różyło‐Kalinowska, Ingrid; Ręjdak, Robert; Gawda, Piotr

doi:10.1080/08869634.2023.2198405

Cited by 2 publications

(3 citation statements)

References 28 publications

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“…Our study observed a significant decrease in masseter and medial pterygoid muscle volumes after surgery. The results agree with Dicker et al [16,26], who studied the adaptation of jaw-closing muscles after surgical mandibular advancement using magnetic resonance imaging (MRI). The authors found that the cross-sectional area and volume of jawclosing muscles decreased significantly, regardless of the vertical craniofacial type.…”

Section: Relationships Between Masticatory Muscle Volume Changes Mand...supporting

confidence: 91%

“…The primary masticatory muscles-the temporalis, medial pterygoid, lateral pterygoid, and masseter-as well as the accessory muscles-the buccinator, suprahyoid muscles, and infrahyoid muscles-work together to produce mandibular movement [13]. The changes in the masticatory muscles are influenced by eating habits that could alter the stiffness of the muscles and are associated with masticatory muscle disorders (MMD), including chronic temporomandibular disorder (TMD) and disk displacement with reduction (DDR), even in myopic patients in which refractive errors are increased [14][15][16]. Regarding changes in the masticatory muscle, we aim to address the hypothesis of whether changes in masticatory muscle volume affect changes in condylar morphology after surgical orthodontic treatment.…”

Section: Introductionmentioning

confidence: 99%

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Relationship between Changes in Condylar Morphology and Masticatory Muscle Volume after Skeletal Class II Surgery

Lekroengsin,

Tachiki,

Takaki

et al. 2023

JCM

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The treatment of dentofacial deformities generally includes orthognathic surgery in which mandibular condyle changes following surgery are a common cause of relapse. This study investigated the changes in the mandibular condyle and related muscles to identify the factors that affected the changes in the mandibular condyle after orthognathic surgery in skeletal class II patients. This research studied 60 joints in 30 patients with skeletal class II dentofacial deformities who received surgical orthodontic treatment, including bilateral sagittal split ramus osteotomy, and underwent computed tomography before and after orthodontic treatment. The mandibular condyle, masseter, and medial pterygoid muscles were reconstructed and measured in 3D. Condylar positional and morphology changes, masseter and medial pterygoid muscle volume, temporomandibular joint (TMJ) pain, and distal segment movement were analyzed. The study observed that both the masseter and medial pterygoid muscle volumes decreased with statistical significance. The changes in the horizontal direction were positively correlated with the amount of movement. The findings indicated that mandibular condyle changes were significantly affected by the movement of the distal segment, the medial pterygoid muscle volume, and the direction of the distal segment, which influenced the treatment’s long-term stability after orthognathic surgery.

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Section: Relationships Between Masticatory Muscle Volume Changes Mand...supporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Relationship between Changes in Condylar Morphology and Masticatory Muscle Volume after Skeletal Class II Surgery

Lekroengsin,

Tachiki,

Takaki

et al. 2023

JCM

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“…During a change in visual stimulus (closing eyes) compared to looking straight ahead (without correction of refractive error), there are changes in the bioelectrical activity of the masticatory muscles [7,8]. In addition to the change in function (change in bioelectrical activity), changes within the muscle structures related to the refractive error are observable [9,10].…”

Section: Introductionmentioning

confidence: 99%

Pharmacologically Induced Accommodation Palsy and the Bioelectrical Activity of the Muscular System: A Preliminary Investigation

Zieliński,

Pająk-Zielińska,

Woźniak

et al. 2024

Diagnostics

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The aim of this study was to pharmacologically induce accommodative paralysis and evaluate its effects on the bioelectrical activity of the muscular system. The study included two participant groups: those with myopia and those with normal vision (emmetropes). Electromyographic assessments were performed using the Noraxon Ultium DTS 8-K MR 3 myo Muscle Master Edition system. The muscles analyzed in this study were the temporalis, masseter, sternocleidomastoid, trapezius, abdominal muscles, biceps brachii, and the external oblique muscles of the abdomen. It is important to acknowledge that, based on the current findings, it cannot be definitively stated that the observed effects have clinical significance, and additional studies are encouraged.

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Correlation between refractive error, muscle thickness, and bioelectrical activity of selected masticatory muscles

Cited by 2 publications

References 28 publications

Relationship between Changes in Condylar Morphology and Masticatory Muscle Volume after Skeletal Class II Surgery

Relationship between Changes in Condylar Morphology and Masticatory Muscle Volume after Skeletal Class II Surgery

Pharmacologically Induced Accommodation Palsy and the Bioelectrical Activity of the Muscular System: A Preliminary Investigation

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