Superior Orbicularis Oris Muscle Activity in Children Surgically Treated for Bilateral Complete Cleft Lip and Palate

Szyszka-Sommerfeld, Liliana; Machoy, Monika; Wilczyński, Sławomir; Lipski, Mariusz; Woźniak, Krzysztof

doi:10.3390/jcm10081720

Cited by 10 publications

(16 citation statements)

References 47 publications

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“…They suggested that individuals with lip incompetence have difficulty chewing due to an inability to achieve lip seal, which affects their masticatory function. What is more, Szyszka-Sommerfeld et al [ 15 ] compared the electromyographical values of the SOO muscle during saliva swallowing in children with congenital anomalies, such as bilateral complete cleft lip and palate (BCCLP) and an abnormal lip seal with those of BCCLP children and lip incompetence. They observed significantly higher EMG potentials in children with BCCLP and an abnormal lip seal.…”

Section: Discussionmentioning

confidence: 99%

“…During the EMG recordings the subjects’ sat in a dentist’s chair with the head in a natural head position [ 14 ]. The electrodes were arranged as follows: An the superior orbicularis oris (SOO) muscle—along the line from the lip commissure to the nose (the subnasal point); the inferior orbicularis oris (IOO) muscle—along the line from the lip commissure to the mandibular midline; and the reference electrode—lower and behind the right ear [ 15 , 16 ] ( Figure 1 ).…”

Section: Methodsmentioning

confidence: 99%

“…EMG muscle activity during lip protrusion differed significantly from all other clinical conditions and showed the highest electromyographic activity of all. Finally, the normalization procedure involved expressing the measured data as a percentage of the reference value, i.e., lip protrusion, based on the following formula: Mean EMG values (µV) during condition/mean EMG values (µV) during lip protrusion × 100% (µV/µV%) [ 15 , 16 ].…”

Section: Methodsmentioning

confidence: 99%

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The Electrical Activity of the Orbicularis Oris Muscle in Children with Down Syndrome—A Preliminary Study

Szyszka-Sommerfeld

Sycińska-Dziarnowska

Woźniak

et al. 2021

JCM

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The aim of this study was to assess the electrical activity of the superior (SOO) and inferior (IOO) orbicularis oris muscles in children with Down syndrome (DS) and in children without DS. After applying the inclusion and exclusion criteria, 30 subjects were eligible to participate in the later stages of the research—15 subjects with DS (mean age 10.1 ± 1.1) and 15 healthy controls (mean age 9.8 ± 1.0). The electrical potentials of the SOO and IOO muscles were recorded using a DAB-Bluetooth electromyography machine (Zebris Medical GmbH, Germany) during the following tasks: At clinical rest, saliva swallowing, lip protrusion, lip compression, and production of the syllable/pa/. The Mann–Whitney U test was conducted to compare the study results between the groups. An analysis of the electromyographical (EMG) recordings showed that the electrical activity of the orbicularis oris muscle in children with DS and lip incompetence was significantly higher compared to healthy children during saliva swallowing, lip compression, and when producing the syllable/pa/, and this may suggest greater muscular effort due to the need to seal the lips during these functional conditions.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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The Electrical Activity of the Orbicularis Oris Muscle in Children with Down Syndrome—A Preliminary Study

Szyszka-Sommerfeld

Sycińska-Dziarnowska

Woźniak

et al. 2021

JCM

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“…Oral processing and its related quantitative devices (Geckili et al, 2012; Hongama et al, 2012; Szyszka‐Sommerfeld, Machoy, Wilczyński, Lipski, & Woźniak, 2021; Thymi, Verhoeff, Visscher, & Lobbezoo, 2020; Ueki et al, 2012; Watts, 2013; Yamaguchi, Mikami, Saito, Okada, & Gotouda, 2018)…”

Section: Quantitative Parameters and Methods Of Oral Processingmentioning

confidence: 99%

“…F I G U R E 3 Oral processing and its related quantitative devices (Geckili et al, 2012;Hongama et al, 2012;Szyszka-Sommerfeld, Machoy, Wilczy nski, Lipski, & Woźniak, 2021;Thymi, Verhoeff, Visscher, & Lobbezoo, 2020;Ueki et al, 2012;Watts, 2013;Yamaguchi, Mikami, Saito, Okada, & Gotouda, 2018) The device used in the above study can only detect the closing force in the vertical direction. However, lip closure is not onedimensional vertical extrusion of two planes but multi angle extrusion of two-dimensional plane, besides, the volume of lip-closing force in different directions is different.…”

Section: Lip-closing Force Detection Devicementioning

confidence: 99%

In situ quantitative assessment of food oral processing parameters: A review of feasible techniques and devices

Liu

Shen

et al. 2022

Journal of Texture Studies

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Oral processing is a combination of various actions, the detailed description of which has always been the subject of relevant research. By means of imaging technology and sensory evaluation, more knowledge of oral processing have been accumulated. Presently, the advances in sensory technology have added quantitative parameters to the qualitative description of oral processing, which also enriched the specifics of each action. Previous studies have shown that oral processing includes lip closure, dental occlusion, masticatory muscles activity, tongue movement, and swallowing, whose processing contains rich information such as the movement of organ and the intensity of organ contacts. “Quantification” was taken in this review as the basic feature of in situ detection information, the relevant parameters and feasible methods for the quantitative description of each activity was recorded in detail. In addition, basic problems and feasible optimization schemes of the existing in situ detection device are also proposed in the hope of promoting the development of in situ detection device thus providing available information for the description of oral processing.

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Tensile force impairs lip muscle regeneration under the regulation of interleukin‐10

Cheng,

Dou,

et al. 2024

J cachexia sarcopenia muscle

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BackgroundOrbicularis oris muscle, the crucial muscle in speaking, facial expression and aesthetics, is considered the driving force for optimal lip repair. Impaired muscle regeneration remains the main culprit for unsatisfactory surgical outcomes. However, there is a lack of study on how different surgical manipulations affect lip muscle regeneration, limiting efforts to seek effective interventions.MethodsIn this study, we established a rat lip surgery model where the orbicularis oris muscle was injured by manipulations including dissection, transection and stretch. The effect of each technique on muscle regeneration was examined by histological analysis of myogenesis and fibrogenesis. The impact of tensile force was further investigated by the in vitro application of mechanical strain on cultured myoblasts. Transcriptome profiling of muscle satellite cells from different surgical groups was performed to figure out the key factors mediating muscle fibrosis, followed by therapeutic intervention to improve muscle regeneration after lip surgeries.ResultsEvaluation of lip muscle regeneration till 56 days after injury revealed that the stretch group resulted in the most severe muscle fibrosis (n = 6, fibrotic area 48.9% in the stretch group, P < 0.001, and 25.1% in the dissection group, P < 0.001). There was the lowest number of Pax7‐positive nuclei at Days 3 and 7 in the stretch group (n = 6, P < 0.001, P < 0.001), indicating impaired satellite cell expansion. Myogenesis was impaired in both the transection and stretch groups, as evidenced by the delayed peak of centrally nucleated myofibers and embryonic MyHC. Meanwhile, the stretch group had the highest percentage of Pdgfra+ fibro‐adipogenic progenitors infiltrated area at Days 3, 7 and 14 (n = 6, P = 0.003, P = 0.006, P = 0.037). Cultured rat lip muscle myoblasts exhibited impaired myotube formation and fusion capacity when exposed to a high magnitude (ε = 2688 μ strain) of mechanical strain (n = 3, P = 0.014, P = 0.023). RNA‐seq analysis of satellite cells isolated from different surgical groups demonstrated that interleukin‐10 was the key regulator in muscle fibrosis. Administration of recombinant human Wnt7a, which can inhibit the expression of interleukin‐10 in cultured satellite cells (n = 3, P = 0.041), exerted an ameliorating effect on orbicularis oris muscle fibrosis after stretching injury in surgical lip repair.ConclusionsTensile force proved to be the most detrimental manoeuvre for post‐operative lip muscle regeneration, despite its critical role in correcting lip and nose deformities. Adjunctive biotherapies to regulate the interleukin‐10‐mediated inflammatory process could facilitate lip muscle regeneration under conditions of high surgical tensile force.

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Superior Orbicularis Oris Muscle Activity in Children Surgically Treated for Bilateral Complete Cleft Lip and Palate

Cited by 10 publications

References 47 publications

The Electrical Activity of the Orbicularis Oris Muscle in Children with Down Syndrome—A Preliminary Study

The Electrical Activity of the Orbicularis Oris Muscle in Children with Down Syndrome—A Preliminary Study

In situ quantitative assessment of food oral processing parameters: A review of feasible techniques and devices

Tensile force impairs lip muscle regeneration under the regulation of interleukin‐10

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