Distance of the contact glide in the closing masticatory stroke during mastication of three types of food

Rilo, Benito; Fernández-Formoso, Noelia; Mora, María Jesús; Cadarso‐Suárez, Carmen; Santana, Urbano

doi:10.1111/j.1365-2842.2009.01956.x

Cited by 14 publications

(12 citation statements)

References 39 publications

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“…; Rilo et al. ). Although we did not analyze jaw kinematics following fracture of the hazelnut here, the wider range of mandibular movement in general and relatively larger lateral displacement during jaw closure for the subjects with natural teeth indicate that they employ a more lateral approach during closure (Figs and ).…”

Section: Discussionmentioning

confidence: 97%

Motor behavior during the first chewing cycle in subjects with fixed tooth‐ or implant‐supported prostheses

Grigoriadis

Trulsson

Svensson

2015

Clinical Oral Implants Res

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Section: Discussionmentioning

confidence: 97%

Motor behavior during the first chewing cycle in subjects with fixed tooth‐ or implant‐supported prostheses

Grigoriadis

Trulsson

Svensson

2015

Clinical Oral Implants Res

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“…When the same type of food is used, the number of chewing strokes needed to prepare it for swallowing is constant (23) . We used a single type of food as an instrument for evaluation and observed a uniform number of chewing strokes and a uniform chewing time in individuals with no dentofacial deformity and in individuals with class II dentofacial deformity.…”

Section: Discussionmentioning

confidence: 99%

Chewing time and chewing strokes in different dentofacial deformities

Picinato-Pirola

Mello-Filho

Trawitzki

2012

J. Soc. Bras. Fonoaudiol.

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PURPOSE: To verify whether the number of chewing strokes and the chewing time are influenced by dentofacial deformities in habitual free mastication. METHODS: Participants were 15 patients with diagnosis of class II dentofacial deformity (GII), 15 with class III (GIII), and 15 healthy control individuals with no deformity (CG). Free habitual mastication of a cornstarch cookie was analyzed, considering the number of chewing strokes and the time needed to complete two mastications. Strokes were counted by considering the opening and closing movements of the mandible. The time needed to consume each bite was determined using a digital chronometer, started after the placement of the food in the oral cavity and stopped when each portion was swallowed. RESULTS: There were no differences between groups regarding both the number of strokes and the chewing time. However, with regards to the number of strokes, CG and GII presented a significant concordance between the first and the second chewing situation, which was not observed in GIII. The analysis of time showed significant concordance between the first and second chewing situation in CG, reasonable concordance in GII, and discordance in GIII. CONCLUSION: Dentofacial deformities do not influence the number of chewing strokes or the chewing time. However, class III individuals do not show uniformity regarding these aspects.

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“…Rilo et al. (53) reported that there is no significant difference in lengths of dental contact during mastication of three types of foods.…”

Section: Dynamic Occlusionmentioning

confidence: 99%

“…Many studies have used several criteria to investigate the role of occlusal glide in masticatory function using several different criteria (10, 49-52). Rilo et al (53) summarised the beginning and end of the occlusal glide and suggested that occlusal guidance is 'where the terminal or initial parts of the chewing cycles could be superimposed on the pathways taken by the mandible during lateral excursions with occlusal contacts'. It is an acquired relationship between form and function.…”

Section: Occlusal Guidancementioning

confidence: 99%

“…occlusal contacts during chewing movement (11,12,84,102,103). Because the features of occlusal contacts are affected by the biting pressures as described in this review, some devices were developed to quantify the contact area together with bite force (90,100,101), spontaneously recorded elevator muscle EMG (104,105), or gnathographic recording (53).…”

Section: Techniques In Testing Occlusal Contactsmentioning

confidence: 99%

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A possible biomechanical role of occlusal cusp–fossa contact relationships

Wang

Mehta

2012

J of Oral Rehabilitation

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Biomechanical features of occlusal contacts are important in understanding the role of the occlusion contributing to masticatory function. Cusp-fossa contact is the typical pattern of occlusion between upper and lower teeth. This includes static relations, such as that during clenching, and dynamic relations when mandibular teeth contact in function along the maxillary occlusal pathways, as during mastication. During clenching in the maximum intercuspal position (ICP), cuspal inclines may take the role of distributing the occlusal forces in multi-directions thus preventing excessive point pressures on the individual tooth involved. During chewing movement on the functional side, the mandible moves slightly from buccal through the maximum ICP to the contralateral side. The part of the chewing cycle where occlusal contacts occur and the pathways taken by the mandible with teeth in occlusal contacts are determined by the morphology of the teeth. The degree of contact is associated with the activity of the jaw muscles. To obtain repeatable static and dynamic occlusal contact information provided by the morphology of the teeth, maximum voluntary clenching and chewing movements with maximum range are needed. In conclusion, in addition to the standard occlusal concepts of centric relation/centric occlusion and group function/cuspid protection relation, biomechanics in static and dynamic cusp-fossa relationships should be included to develop an understanding of occlusal harmony which includes no interfering or deflective contacts in functional occlusal contact.

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Distance of the contact glide in the closing masticatory stroke during mastication of three types of food

Cited by 14 publications

References 39 publications

Motor behavior during the first chewing cycle in subjects with fixed tooth‐ or implant‐supported prostheses

Motor behavior during the first chewing cycle in subjects with fixed tooth‐ or implant‐supported prostheses

Chewing time and chewing strokes in different dentofacial deformities

A possible biomechanical role of occlusal cusp–fossa contact relationships

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