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MasticationMasticatory MusclesMovementBite ForceStomatognathic SystemMasseter MuscleJawTemporal MuscleMandibleDeglutitionTrigeminal NucleiJaw Relation RecordEye MovementsNasal CartilagesSwine, MiniatureJaw Fixation TechniquesZygomaFacial MusclesHardnessTemporomandibular JointMechanical PhenomenaElectromyographySkullSucking BehaviorBiomechanical PhenomenaTongueCranial SuturesMandibular CondyleVideo RecordingFoodFeeding BehaviorDenture, Complete, LowerTemporomandibular Joint DisordersHabitsDental AbutmentsPoaceaeStress, MechanicalHead MovementsDental OcclusionMovement DisordersDeglutition DisordersNasal SeptumToothAnimal FeedDigestionPlant Viral Movement ProteinsInfant BehaviorTemporomandibular Joint DiscTemporomandibular Joint Dysfunction SyndromeVasoplegiaFacial Pain

MusclesMandibleDeglutitionChewingDigestionTemporomandibularTemporalisMandibularElectromyographyOcclusionDisordersRhythmicInvoluntaryDistinguishNormal masticationMedialBolusSymptomsOcclusalMuscleOriginReductionPermitsFoodInfrahyoidPatternsJointPosteriorMouthBoneSide to side grindingCoordinationChildrenActivityIndividual

Muscles28

• There are four classical muscles of mastication. (wikipedia.org)
• During mastication, three muscles of mastication (musculi masticatorii) are responsible for adduction of the jaw, and one (the lateral pterygoid) helps to abduct it. (wikipedia.org)
• The muscles of mastication originate on the skull and insert into the mandible, thereby allowing for jaw movements during contraction. (wikipedia.org)
• Each of these primary muscles of mastication is paired, with each side of the mandible possessing one of the four. (wikipedia.org)
• Unlike most of the other facial muscles, which are innervated by the facial nerve (or CN VII), the muscles of mastication are innervated by the trigeminal nerve (or CN V). More specifically, they are innervated by the mandibular branch, or V3. (wikipedia.org)
• While these four muscles are the primary participants in mastication, other muscles are usually if not always helping the process, such as those of the tongue and the cheeks. (wikipedia.org)
• Wikimedia Commons has media related to Muscles of mastication. (wikipedia.org)
• Hemifacial spasm is a neuromuscular movement disorder characterized by brief or persistent involuntary contractions of the muscles innervated by the facial nerve. (aerzteblatt.de)
• Hemifacial spasm is a movement disorder of the muscles innervated by the facial nerve (cranial nerve VII). (aerzteblatt.de)
• This movement disorder triggers involuntary short or longer contractions of the facial muscles. (aerzteblatt.de)
• Hemifacial spasm is characterized by progressive, involuntary, irregular, clonic or tonic movements of the muscles innervated by the facial nerve (cranial nerve VII) ( 6 ). (aerzteblatt.de)
• During mastication, four muscles of mastication (or musculi masticatorii ) are responsible for adduction and lateral motion of the jaw. (intelligentdental.com)
• This is the muscle which helps in elevation of the mandible, It is one of the muscles of mastication. (intelligentdental.com)
• Muscles involved in chewing (mastication) also open and close the mouth. (emedicinehealth.com)
• You also have four pairs of chewing muscles, known as the muscles of mastication, that are primarily responsible for jaw movements. (colgate.com)
• These muscles are also known as the muscles of mastication or chewing muscles. (drnickcampos.com)
• The muscles of mastication have sensory nerve fibers, so when jaw pain is present, it originates from these muscles. (drnickcampos.com)
• 1 TMD is characterized by pain in the TMJ and periauricular region, and/or the muscles of mastication. (scielo.org.za)
• Muscles of Mastication helps in grinding the food to make them small in size in the oral cavity. (smilescare.com)
• Embryologically, the muscles of mastication are developed from the first pharyngeal arch . (smilescare.com)
• There are many muscles which help in mastication. (smilescare.com)
• There are some other muscles that help in mastication. (smilescare.com)
• The muscles featured on this model are important for head movement, as well as assist in respiration. (anatomywarehouse.com)
• Secondary mastication (chewing) muscles are featured in this neck and throat model, displaying correct anatomy and positioning in relation to the other muscles in the neck. (anatomywarehouse.com)
• This is due to the fact that chewing is performed by the muscles of mastication supplied by the trigeminal nerve. (facialparalysisinstitute.com)
• This clinical case suggests how the software's compatibility with intra-oral scan files, diagnostic wax-up, facial scans, CBCT and, in the near future, electromyography of mastication muscles permits the clinician to work on a virtual patient and analyze all critical aesthetic and functional parameters prior to guided surgery. (opendentistryjournal.com)
• The muscles of mastication are the masseter, temporalis, and pterygoids, all extending from the zygomatic and temporal bones to the mandible TMJ. (completechiropractic.com)
• Kinematics of mandible movements and sEMG activity of the masticatory muscles were obtained over two sessions with four conditions: two food textures (biscuit and bread) of two sizes (small and large). (han.nl)

Mandible8

• The mandible is the only bone that moves during mastication and other activities, such as talking. (wikipedia.org)
• It also helps to side movement of the mandible. (smilescare.com)
• A secondary role in mastication as a depressor of the mandible. (smilescare.com)
• It has many functions including closing the jaw, moving the jaw back to the middle if excursion (side-to-side movement) has occurred, and aiding in protrusion of the mandible, which is when the jaw moves forward. (biologydictionary.net)
• This muscle has a complex pennate architecture 2-4 that allows wide movements and great range of ajustment 5 for maintaining the stability of the mandible. (bvsalud.org)
• The wide movements of the mandible produced during mastication allow studying the integrated actions of the different portions of the temporalis muscle. (bvsalud.org)
• METHOD: The results of the MAT were correlated with tongue movements, mandible movements, relative muscle contraction and clinical observation measured with ultrasound, 3D kinematics, electromyography (EMG) and relevant items of the mastication observation and evaluation (MOE) instrument, respectively. (han.nl)
• There was an increased chewing cycle duration, a smaller left-right and up-down tongue displacement and larger anterior mandible movements for the trials (n=40) of cerebral palsy children (p<0.000 for all comparisons) compared to the trials of typically developing children (n=70). (han.nl)

Deglutition4

• to evaluate temporomandibular joint, mastication and deglutition in asymptomatic women with and without generalized joint hypermobility and the association between these variables. (scielo.br)
• The temporomandibular joint was examined by Research Diagnostic Criteria for Temporomandibular Disorders instrument, and mastication and deglutition functions were assessed through a myofunctional orofacial assessment. (scielo.br)
• 1preparation of food and digestion in the mouth: three procceses mastication, insalivation and deglutition. (wikiteka.com)
• 2 deglutition is the movement of the food bolus from the mouth towards the pharynx. (wikiteka.com)

Chewing9

• This disk absorbs shock to the temporomandibular joint from chewing and other movements. (emedicinehealth.com)
• Mastication (Chewing) is the first stage of digestion of food. (smilescare.com)
• Some Bell's palsy patients initially believe that chewing gum can stimulate facial muscle movement. (facialparalysisinstitute.com)
• Pathological changes in this joint accrue with age, and, if you create inflammation in that joint, you will see changes in mastication (chewing). (thehorse.com)
• The other is more dorsomedially located, and during chewing a C-pattern similar to jaw movements can be induced. (elsevierpure.com)
• It found that colon and rectum resection patients who chewed gum along with their post-surgery treatment plan were hungrier sooner, and passed gas and their first bowel movement significantly faster than those not chewing gum. (healthnews.com)
• Mastication, or chewing, is increased in those who chew gum. (healthnews.com)
• Those who are prone to headaches or migraines may need to limit chewing gum as the chewing or mastication action may be a trigger for headache onset . (healthnews.com)
• The movement of the jaw, and the neuromuscular control of chewing, play an important role in chewing, swallowing, and feeding. (taslconsultants.com)

Digestion1

• Mastication is step one of the digestion process. (biologydictionary.net)

Temporomandibular4

• the clinical evaluation of the temporomandibular joint showed predominance of joint sounds during jaw movement (52.9%) and mouth opening deviation (76.5%) in the hypermobility group, without statistical significant difference. (scielo.br)
• Horses are controlled by a bit in their mouth, so there should be a tie-in with pain, TMJ abnormalities, and movement of the horse," he said, adding that researchers have noted similar ties between temporomandibular disorders and athletic performance in humans. (thehorse.com)
• Experiencing pain, limited movement, and popping noises when opening the mouth is called temporomandibular joint dysfunction (TMD). (biologydictionary.net)
• Temporomandibular Joint (TMJ) in spite of being a miniscule anatomic structure is incredibly complex.It is one of the most frequently used joints in the entire body with complex movements [ 1 - 3 ]. (opendentistryjournal.com)

Temporalis3

• Aim: The aim of this study was to investigate mean electrical activity and how the anterior, middle, and posterior portions of the temporalis muscle work during mastication. (bvsalud.org)
• Electromyographic (EMG) recordings were made in anterior, middle and posterior portions of the temporalis muscle during mastication for 5 s. (bvsalud.org)
• The present study aimed to investigate how the anterior, middle, and posterior portions of the temporalis muscle work during mastication and to assess mean electrical activity of each portion in Angle's Class I individuals with the use of surface EMG. (bvsalud.org)

Mandibular3

• Signs and symptoms include\limited mouth opening, restricted/asymmetric mandibular movement, and TMJ noise. (scielo.org.za)
• 1 TMD can cause a clicking/popping noise emanating from the TMJ when mandibular movement occurs and the condyle crosses the rear margin of the articular disc. (scielo.org.za)
• A minimum of 40mm for maximum mouth opening and a minimum of 7mm for other horizontal mandibular movements. (taslconsultants.com)

Electromyography3

• electromyography, mastication, temporal muscle. (bvsalud.org)
• 2017, Article / Letter to editor (Journal of Electromyography and Kinesiology, vol. 32, (2017), pp. 22-29) The aim of this study was to explore the feasibility of the Mastication Observation and Evaluation (MOE) instrument, dynamic ultrasound and 3D kinematic measurements to describe mastication in children with spastic cerebral palsy and typically developing children. (han.nl)
• 2016, Article / Letter to editor (Physiology and Behavior, vol. 155, (2016), pp. 112-121) The aim of this study was to determine the measurement reproducibility for a procedure evaluating the mastication process and to estimate the smallest detectable differences of 3D kinematic and surface electromyography (sEMG) variables. (han.nl)

Occlusion1

• Primary dentition in children needs to be as close as possible to the ideal in order that during future adulthood, the children may exhibit normal dental features like normal mastication and appearance, space and occlusion for proper and healthy functioning of permanent dentition. (ukessays.com)

Disorders1

• As a diarthrodial joint, the TMJ is subject to inflammatory disorders, including degenerative arthritis, and movement of the TMJ may become quite painful. (completechiropractic.com)

Rhythmic1

• The cortical masticatory area (CMA) elicits rhythmic jaw movements in response to repetitive stimulation and is involved in the control of mastication. (elsevierpure.com)

Involuntary2

• Involuntary wavelike movements that propel food along the digestive tract and begins in the esophagus. (studystack.com)
• Because speech, mastication, and expression of moods and emotions are based on the ability to move facial musculature-be it voluntary or involuntary-successful treatment of facial nerve paralysis is a vital concern. (medscape.com)

Distinguish1

• That's why the RumiWatch halter can now distinguish between feeding bites and mastication bites. (admin.ch)

Normal mastication1

• 5,7 It can also naturally occur from a TMJ click of sufficient intensity as muscle spindles are excited by vibration or jaw jerk, 6 or occur unintentionally due to a deflective tooth contact during normal mastication. (scholasticahq.com)

Medial1

• The Medial Pterygoid Muscle is the deepest situated muscle of mastication. (smilescare.com)

Bolus3

• Exteroceptive suppressions due to tooth contacts occurring during the mastication of a tough bolus. (scholasticahq.com)
• Measure the median incidence and mean duration of Silent Periods (SP) in a TMD patient group and a matched control group during mastication of a tough, reproducible bolus. (scholasticahq.com)
• Within this group of TMD patients, exteroceptive suppression during the mastication of a tough bolus occurred at a significantly higher rate and with a longer mean duration compared to an age and gender matched asymptomatic control group. (scholasticahq.com)

Symptoms1

• The elderly often present attributable to a reduction in mental, cognitive and phys- with somatic or non-specific symptoms rather than the ical abilities, increased probability of death among their typical symptoms of depression, such as low energy, friends or loved ones, retirement and loss of communi- fatigue, reduction in physical movements and cognitive cation with people. (who.int)

Occlusal1

• Missing teeth may cause cosmetic, phonation, and occlusal problems and may allow movement. (msdmanuals.com)

Muscle5

• It is one of the main muscle which helps in the process of mastication. (intelligentdental.com)
• This is a small muscle which also helps in the mastication process. (intelligentdental.com)
• It is a thick muscle of mastication. (intelligentdental.com)
• The anterior, or front, part of the muscle helps close the mouth, while the posterior, or back, part of the muscle moves the jaw backward in a movement known as retrusion. (biologydictionary.net)
• It was found a significantly lower RMS value in the posterior portion showing that the anterior and middle portions of the muscle have a predominant function of maintaining movement during mastication. (bvsalud.org)

Origin1

• Its origin and insertion make it very useful for the movement of the jaw and for applying good bite force for mastication. (intelligentdental.com)

Reduction1

• Although modern history of orthognathic surgery patients with dysmorphophobia (feeling started in the 1970s, as it gradually became unattractive despite having almost normal a routine choice, with benefits such as imt appearance) may benefit from surgery, the provement of mastication and reduction of initial treatment should be psychiatric rather facial pain and more stable results even in than surgical [ 12 ]. (who.int)

Permits1

• This is an extremely complex joint which permits movement in all planes. (wikipedia.org)

Food5

• It provides movement of food for mastication, directs food to the pharynx for swallowing, and is a major organ for taste and speech. (studystack.com)
• One is the part of the CMA in which a T-pattern similar to jaw movements during food transport in natural mastication is evoked by electrical stimulation. (elsevierpure.com)
• Mastication breaks down food so that it can go through the esophagus to the stomach. (biologydictionary.net)
• Mastication should not be confused with maceration, which is the breaking down of food into chyme in the stomach. (biologydictionary.net)
• Mastication is a sensory-motor activity aimed at the preparation of food for swallowing. (taslconsultants.com)

Infrahyoid1

• The suprahyoid and infrahyoid presented on the model aid in swallowing, jaw and mouth movement, and speaking. (anatomywarehouse.com)

Patterns2

• Based on jaw movement patterns, the CMA is divided into two parts. (elsevierpure.com)
• The data obtained from the present study indicate the functional role of the ventral region of the putamen in the regulation of mastication, and further suggest that the corticostriatal pathway is involved in the transition between behavioral jaw movement patterns. (elsevierpure.com)

Joint3

• If you place your fingers just in front of your ears and open your mouth, you can feel the joint and its movement. (emedicinehealth.com)
• A soft, spongy disc lies between the condyle and the bony socket to help the joint move smoothly and absorb any impact during movement. (colgate.com)
• Joint crepitus is a sensation of grinding, grating, crunching, or popping upon movement of a joint. (completechiropractic.com)

Posterior2

• However, little is known on how the anterior, middle and posterior portions work together to produce movement 3-4 . (bvsalud.org)
• Mastication studies have reported inconsistent results showing similar actions of the portions 4 activity only of the anterior and posterior portions 7 and significant activity of the anterior and middle portions only 3 . (bvsalud.org)

Mouth1

• The jawbone itself, controlled by the TMJ, has two movements: rotation or hinge action, which is opening and closing of the mouth, and gliding action, a movement that allows the mouth to open wider. (emedicinehealth.com)

Bone1

• Orthognathic surgery refers to a group of improvement has been expressed as the mat corrective bone operations that involve jor reason for seeking orthognathic surgery movement of the jawbones completely or in in several studies [ 12-18 ]. (who.int)

Side to side grinding1

• It is also a contributor to side to side grinding movement . (intelligentdental.com)

Coordination1

• The MOE items 'jaw movement' and 'fluency and coordination' showed the most similarity with the objective measurements. (han.nl)

Children3

• Masticatory movements during five trials of eating a biscuit were assessed in 8 children with cerebral palsy, spastic type (mean age 9.08years) and 14 typically developing children (mean age 9.01years). (han.nl)
• Differences between trials were tested (t-test) and the mastication of individual children with cerebral palsy was analyzed. (han.nl)
• The MOE captures differences in mastication between individual children with cerebral palsy. (han.nl)

Activity1

• In addition to gathering feeding data, RumiWatch also gathers information on movement activity for the early detection of disease and the assessment of animal welfare. (admin.ch)

Individual2

• A fully digital technique was performed using specific software to record individual condylar (axiography) movements and mastication cycles and to correlate these with initial intra-oral scans in order to create a virtual 3D individual value articulator. (opendentistryjournal.com)
• The aim of the present case report is to present a fully digital technique using specific software to record individual condylar (axiographic) movements and mastication cycles, correlate these with initial intra-oral scans and create a virtual 3D individual value articulator. (opendentistryjournal.com)