Academic literature on the topic 'Orofacial biomechanics'

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Journal articles on the topic "Orofacial biomechanics"

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Chu, Shin Ying, and Steven M. Barlow. "Orofacial Biomechanics and Speech Motor Control." Perspectives on Speech Science and Orofacial Disorders 19, no. 1 (2009): 37–43. http://dx.doi.org/10.1044/ssod19.1.37.

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Abstract The mechanical properties (e.g., mass, stiffness, viscoelasticity) of bone, cartilage, muscle, tendon, ligament, fat, and skin among articulatory subsystems involved in speech and gesture collectively influence all aspects of movement and must be accounted for in the selection and sequencing of motor program elements. Damage or disease processes affecting peripheral or central nervous system function, or both, can affect muscle coordination and alter muscle stiffness. Therefore, the biomechanics of orofacial and vocal tract structures should be taken into account when considering the
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Tikhonov, V. E., A. V. Gus’kov, A. A. Oleynikov, et al. "Splint therapy as a separate approach in the complex treatment of tem-poromandibular joint dysfunction from the point of view of physiological concepts." NAUKA MOLODYKH (Eruditio Juvenium) 9, no. 3 (2021): 447–56. http://dx.doi.org/10.23888/hmj202193447-456.

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BACKGROUND: Among the adult socially active population, one of the most common pathologies of the maxillary system is musculoskeletal dysfunction of the temporomandibular joint (TMJ). One of the modern methods of correction and treatment of TMJ dysfunction is splint therapy, which involves the use of splints and permits to consistently and selectively act on a particular level of disorders: occlusive, muscular, articular. This ultimately forms a new myostatic reflex of holding the jaw, builds physiological biomechanics and neuromuscular activity of the speech apparatus and the stomatognathic s
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Gałczyńska-Rusin, Małgorzata, Małgorzata Pobudek-Radzikowska, Krzysztof Gawriołek, and Agata Czajka-Jakubowska. "Gender-Related Biomechanical Properties of Masseter Muscle among Patients with Self-Assessment of Bruxism: A Comparative Study." Journal of Clinical Medicine 11, no. 3 (2022): 845. http://dx.doi.org/10.3390/jcm11030845.

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It seems extremely important to know the biomechanical properties of the orofacial tissues among patients with increased activity of masticatory muscles, such as bruxism. The aim of this study was to evaluate biomechanical properties of the masseter muscle by using MyotonPRO in adults with probable bruxism and to define gender relations. This study was conducted in the Temporomandibular Disorders Department at Poznan University of Medical Sciences, Poland (June 2021–November 2021) among patients that reported bruxism symptoms The patients underwent a clinical examination, then the biomechanica
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Shetty, Sameep S., Premalatha Shetty, Prit Kiran Shah, Jayanth Nambiar, and Nancy Agarwal. "Pterygoid Hamular Bursitis: A Possible Link to Craniofacial Pain." Case Reports in Surgery 2018 (August 12, 2018): 1–5. http://dx.doi.org/10.1155/2018/5108920.

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A striking feature of the skull base is the pterygoid hamulus known for its bizarre morphology and biomechanical location. Pterygoid hamular bursitis is an inflammation of bursae located between the tendon, muscle, and bony prominences. The minimal objective finding in an apparently normal orofacial apparatus and dependence on the subjective symptoms experienced by the patient with widespread referral pattern often perplexes the clinician. Bursitis should be considered in the differential diagnosis of craniofacial neuralgia, temporomandibular joint dysfunction, and chronic craniofacial pain. C
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Kalman, Les, Amanda Maria de Oliveira Dal Piva, Talita Suelen de Queiroz, and João Paulo Mendes Tribst. "Biomechanical Behavior Evaluation of a Novel Hybrid Occlusal Splint-Mouthguard for Contact Sports: 3D-FEA." Dentistry Journal 10, no. 1 (2021): 3. http://dx.doi.org/10.3390/dj10010003.

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Background: Orofacial injuries are common occurrences during contact sports activities. However, there is an absence of data regarding the performance of hybrid occlusal splint mouthguards (HMG), especially during compressive loading. This study amid to evaluate the biomechanical effects of wearing a conventional custom mouthguard (MG) or the HMG on the teeth, bone, and the device itself. Methods: To evaluate the total deformation and stress concentration, a skull model was selected and duplicated to receive two different designs of mouthguard device: one model received a MG with 4-mm thicknes
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Marciniak-Firadza, Renata. "What should a (neuro) logopaedic therapist know about feeding the youngest patients (0-3) with feeding disorders. Part i. Feeding (nutrition) – meaning, types, functions." Interdyscyplinarne Konteksty Pedagogiki Specjalnej, no. 32 (March 15, 2021): 27–50. http://dx.doi.org/10.14746/ikps.2021.32.02.

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Food intake is an essential element to maintain homeostasis of the body, and the way of feeding. Whereas the type of feeding in the neonatal and infancy stages influence on one side the health of children and teenagers, and next adults, and on the other side, the way of feeding newborns, infants and toddlers has great impact on the development of the orofacial area being a biomechanical base of articulation. Feeding is also a basic environmental factor having crucial influence on the development of a child’s brain. Not providing the child with all of the necessary elements and energetic needs
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Chaves, Paulo de Jesus, Franceane Esther Moreira de Oliveira, and Laila Cristina Moreira Damázio. "INCIDENCE OF POSTURAL CHANGES AND TEMPOROMANDIBULAR DISORDERS IN STUDENTS." Acta Ortopédica Brasileira 25, no. 4 (2017): 162–64. http://dx.doi.org/10.1590/1413-785220172504171249.

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ABSTRACT Objective: The aim of this study was to identify the incidence of postural changes and temporomandibular disorders (TMD) in children and adolescents . Methods: We selected 117 individuals aged 10-18 years from a state school in the Zona da Mata region of Minas Gerais. The students were evaluated in four stages: assessment of body weight and height and calculation of body mass index; posture evaluation using a questionnaire developed by the researchers; application of a questionnaire recommended by the American Academy of Orofacial Pain to assess TMD; and, finally, application of the F
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Marin, Edu, Nicole Unsihuay, Victoria E. Abarca, and Dante A. Elias. "Identification of the Biomechanical Response of the Muscles That Contract the Most during Disfluencies in Stuttered Speech." Sensors 24, no. 8 (2024): 2629. http://dx.doi.org/10.3390/s24082629.

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Stuttering, affecting approximately 1% of the global population, is a complex speech disorder significantly impacting individuals’ quality of life. Prior studies using electromyography (EMG) to examine orofacial muscle activity in stuttering have presented mixed results, highlighting the variability in neuromuscular responses during stuttering episodes. Fifty-five participants with stuttering and 30 individuals without stuttering, aged between 18 and 40, participated in the study. EMG signals from five facial and cervical muscles were recorded during speech tasks and analyzed for mean amplitud
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Nazari, Mohammad Ali, Pascal Perrier та Yohan Payan. "The Distributed Lambda (λ) Model (DLM): A 3-D, Finite-Element Muscle Model Based on Feldman's λ Model; Assessment of Orofacial Gestures". Journal of Speech, Language, and Hearing Research 56, № 6 (2013): 1909–23. http://dx.doi.org/10.1044/1092-4388(2013/12-0222).

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Purpose The authors aimed to design a distributed lambda model (DLM), which is well adapted to implement three-dimensional (3-D), finite-element descriptions of muscles. Method A muscle element model was designed. Its stress–strain relationships included the active force–length characteristics of the λ model along the muscle fibers, together with the passive properties of muscle tissues in the 3-D space. The muscle element was first assessed using simple geometrical representations of muscles in the form of rectangular bars. It was then included in a 3-D face model, and its impact on lip protr
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French, Lesley C., Tsunehisa Ohno, Majdani Omid, David L. Zealear, Robert F. Labadie, and Bernard Rousseau. "Localization of Phonation Integration Center in Rabbits." Otolaryngology–Head and Neck Surgery 139, no. 2_suppl (2008): P96—P97. http://dx.doi.org/10.1016/j.otohns.2008.05.511.

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Problem The midbrain periaqueductal gray (PAG) serves as a phonation integration center, coordinating respiratory, laryngeal, and orofacial activity during vocalization. The objective of this pilot study was to explore electrical excitation of the midbrain PAG for eliciting vocalization using an in-vivo rabbit preparation and determine the feasibility of using image guidance for improved localization of target midbrain structures. Methods Pilot experiments were conducted using four New Zealand White (NZW) breeder rabbits. In the first experiment, a stereotaxic frame was used to guide stimulati
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Dissertations / Theses on the topic "Orofacial biomechanics"

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Shiller, Douglas M. "Understanding speech motor control in the context of orofacial biomechanics." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84435.

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A series of experiments are described which explore the relationship between biomechanical properties and the control of jaw movement in speech. This relationship is documented using kinematic analyses in conjunction with a mathematical model of jaw motion and direct measures of jaw stiffness.<br>In the first experiment, empirical and modeling studies were carried out to examine whether the nervous system compensates for naturally occurring forces acting on the jaw during speech. As subjects walk or run, loads to the jaw vary with the direction and magnitude of head acceleration. While
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Nazari, Mohammad. "Modélisation biomécanique du visage : étude du contrôle des gestes orofaciaux en production de la parole." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00716331.

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Un modèle tridimensionnel du visage a été élaboré, dans la perspective de contribuer à l'étude de questions importantes sur le contrôle moteur de la production de la parole. Ce modèle est construit sur un maillage constitué d'éléments hexahédraux et de clavettes, qui comporte 3 couches distinctes et est symétrique par rapport au plan medio-sagittal. Les muscles faciaux sont représentés dans le maillage par un sous-ensemble d'éléments contigus. Les propriétés élastiques des éléments du maillage sont décrites par une loi de comportement de type isotrope quasi incompressible et hyperélastique. Da
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Books on the topic "Orofacial biomechanics"

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Sobey, Christopher. Orofacial Pain. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190217518.003.0023.

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Management of orofacial pain in the general population can be a challenging and demanding undertaking due to the complex neurological anatomy and close proximity to vital structures. Differentiating various syndromes and origins of pain can prove difficult; thus, specific emphasis on establishing the correct diagnosis is of the utmost importance in formatting a successful treatment plan. The questions in this chapter delve into the presentations, physical exam findings, diagnostic testing, psychological effects, and evidence-based medical and interventional treatment algorithms of both common
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Book chapters on the topic "Orofacial biomechanics"

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Ireland, A. J., and Fraser McDonald. "Functional appliances." In The Orthodontic Patient: Treatment and Biomechanics. Oxford University PressOxford, 2003. http://dx.doi.org/10.1093/oso/9780198510482.003.0007.

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Abstract Functional, or myofunctional appliances as they are also known, are appliances that utilize forces generated by the orofacial soft tissues in order to move the teeth. They are constructed in such a way as to posture the mandible away from the rest position, with the forces being generated by the resultant soft tissue stretch (Fig. 4.1). In addition to moving the teeth, functional appliances have also been used with a view to modifying facial growth. This is particularly so in the case of Class II skeletal relationships and, to a lesser extent, Class III skeletal relationships. Before
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Conference papers on the topic "Orofacial biomechanics"

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Stavness, Ian, John E. Lloyd, Sidney Fels, and Yohan Payan. "Dynamic hard-soft tissue models for orofacial biomechanics." In ACM SIGGRAPH 2010 Talks. ACM Press, 2010. http://dx.doi.org/10.1145/1837026.1837037.

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