The Influence of Dental Occlusion on Dynamic Balance and Muscular Tone

Julià‐Sánchez, Sonia; Álvarez‐Herms, Jesús; Cirer-Sastre, Rafel; Corbi, Francisco; Burtscher, Martin

doi:10.3389/fphys.2019.01626

Cited by 49 publications

(47 citation statements)

References 84 publications

(100 reference statements)

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“…There are various studies that attempt to show the relationship between the Stomatognathic Apparatus and the postural system through the different muscle chains (1)(2)(3). Some hypotheses suggest a relationship in both the cranial-caudal direction as well as the podo-cranial direction, therefore malocclusion and its treatments may influence body posture, contact between the foot and the ground, center of mass, footprint, and vice-versa, although it is a controversial topic among the scientific community (4)(5)(6)(7).…”

Section: Introductionmentioning

confidence: 99%

Dental Malocclusion and Its Relation to the Podal System

et al. 2021

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Background and Objective: This study analyzes the possibility that Stomatognathic and Postural systems are related by muscle chains. Malocclusion may influence the posture, contact between the foot and the ground, center of mass, footprint or vice-versa. This study aimed to verify whether there is a relationship between dental occlusion and podal system.Materials and Methods: A cross-cutting, descriptive study was carried out on 409 children (222 boys and 187 girls) between 8 and 14 years old. Dental occlusion was assessed on the sagittal plane (Angle's classification) the contact between the foot and the ground and the center of mass were evaluated using a stabilometric platform.Results: There was a statistically significant relationship between the plantigrade phase, the contact surface area and center of gravity. There was a prevalence of molar and canine Angle's class II malocclusion. In molar class II, an anterior center of gravity was predominant, in class I it was centered and in class III, it was posterior. There was significant correlation between malocclusions and the FPI (foot posture index) of the left foot and the height of the scaphoid in the right foot (P < 0.001).Conclusions: Some authors agree with our results. There is still much uncertainty in terms of showing a relationship between both systems. In addition, there is scarce scientific evidence on the topic. Some kind of relationship between the two systems has been proven. Studies that evaluate a group of subjects in a longitudinal manner are necessary to enable the changes taking place in both systems to be defined.

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Section: Introductionmentioning

confidence: 99%

Dental Malocclusion and Its Relation to the Podal System

et al. 2021

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“…Muscle tone (mechanical tension in a relaxed muscle), stiffness (the resistance of the muscle to contraction or an external force that changes muscle’s initial shape), elasticity (recovery of the muscle’s initial shape after contraction or removal of an external force) and time to relaxation (time for the muscle to restore its initial shape after external force) ( Ko et al, 2018 ) were recorded on both extremities using a hand-held myometer (Myoton-Pro®, Myoton AS, Tallinn, Estonia). The MyotonPro® measures the viscoelastic response of the muscle due to a brief (15 ms) mechanical impulse (force, 0.4 N) on the skin surface above the muscle ( Julià-Sánchez et al, 2020 ). The mechanical deformation is delivered by the device testing end (d = 3 mm) held perpendicular to the skin surface ( Treffel et al, 2016 ).…”

Section: Methodsmentioning

confidence: 99%

Alterations in mechanical muscle characteristics and postural control induced by tennis match-play in young players

Colomar

Corbi

Baiget

2021

PeerJ

Self Cite

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Background Central and peripheric fatigue indicators are among the main reasons for performance decline following competition. Because of the impact of these factors on performance, how these variables are affected by match-play could be of interest, especially in young tennis players. Objective This study aimed to investigate alterations induced by a simulated tennis match on postural control and muscle characteristics in young tennis players. Method Seventeen male junior players took part in pre- and post-competition testing sessions performing postural control (displacement, speed and surface area of center of pressures) and muscle characteristics measurements (tone, stiffness, time to relaxation and elasticity). Between trials, participants played an 80-min simulated tennis match. Results No significant differences were observed in any of the tested variables. Moderate-to-large effect sizes (ES) for decreased stiffness and tone and greater time to relaxation were found between pre- and post-conditions in the right rectus abdominis (−9.8%, −4.4% and 7.8%; ES = 0.8, 0.54 and −0.85). Also, a decrease in tone was found in the right vastus medialis (−7.1%; ES = 0.56), while surface area of the center of pressures with eyes open showed trends towards increasing in post-match measurements (55.9%; ES = 0.56). Conclusion An 80-min simulated tennis match seems insufficient to elicit significant changes in postural control and mechanical muscle characteristics. Results suggest that physiological responses triggered by match-play were closer to those seen after a moderate activity than those present following a strenuous task.

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“…To date, several reviews and meta-analyses [ 1 – 10 ] conclude that some connections exist between the temporomandibular joint (TMJ) and the body posture and body sway. For example, the review by Moon & Lee [ 7 ] confirmed that, theoretically, neurophysiological connections exist that allow an influence of the TMJ on postural stability.…”

Section: Introductionmentioning

confidence: 99%

Symmetrical dental occlusion blocking – changes of body sway and weight distribution in healthy subjects across 4 age decades

Maurer-Grubinger

Adjami

Avaniadi

et al. 2021

J Occup Med Toxicol

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Objectives Symmetrical dental occlusion blocking is used in dentistry as a quick diagnostic tool to test for potential influences of the craniomandibular system on body sway and weight distribution. This study presents the changes of body sway and pressure distribution in healthy subjects, free of a temporomandibular dysfunction (TMD). Immediate effects between occlusal blocking and rest position on body sway and body weight distribution in general, as well as for both genders and for four age decades will be evaluated. Materials and methods 725 (396f/329 m) subjects (neither subjective signs of TMD nor acute/chronic complaints in the musculoskeletal system) volunteered (21 to 60 years) while both genders were divided into four age groups according to decades. A pressure measuring platform was used. Body sway and weight distribution were recorded in two dental occlusion conditions (a) in rest position and (b) symmetrical blocking (bicuspid region) by cotton rolls. Results Both, the frontal sway and the sagittal sway reduced by 0.67 mm (t(724) = − 3.9 (p < 0.001)) and by 0.33 mm (t(724) = − 3.4 (p < 0.001)). The relative pressure under the left forefoot increased by 0.33% (t(724) = 2.88 (p < 0.001)) and the relative pressure overall under the forefoot increased by 0.67% (t(724) = − 3.4 (p < 0.001)). Gender-specific, age-specific and BMI-specific reactions could not be identified. Conclusions Subjects, free of any TMD and with no complaints of the musculoskeletal system, show small changes of the body sway and weight distribution when biting symmetrically on a cotton roll. These changes are independent of age, gender or body mass index (BMI). Due to the relative large sample size, the presented results can also be seen as norm values when body sway is used as an additional assessment of a TMD.

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The Influence of Dental Occlusion on Dynamic Balance and Muscular Tone

Cited by 49 publications

References 84 publications

Dental Malocclusion and Its Relation to the Podal System

Dental Malocclusion and Its Relation to the Podal System

Alterations in mechanical muscle characteristics and postural control induced by tennis match-play in young players

Symmetrical dental occlusion blocking – changes of body sway and weight distribution in healthy subjects across 4 age decades

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