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Results for “MASTICATION”

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At least 757 records · Page 42Linked to original sources
PubMed1980

Mandibular movements during mastication before and after rehabilitations with new complete dentures recorded by light-emitting-diodes.

Mandibular movements in wearers of complete dentures were registered before and after rehabilitation with new dentures by light-emitting diodes (LEDs). The duration of the opening, closing and occlusion phases as well as the whole chewing cycle were studied. The closing phase had the longest duration of the three phases, 0.36 s, and represented 45% of the duration of the total chewing cycle. Only minor changes in the movement pattern were found when comparing different test-foods and after rehabilitation with new dentures.

Aged↗
PubMed1981

[Behavioral study of mastication].

The synchronized use of electromyography, a magnetoscope and a Videotop allowed a quantitative and qualitative study of the masticatory behaviour. This latter appeared as a series of repetitive and ritualised motor patterns in which the eyes, the hand and the masticatory system intervened.

Electromyography↗
PubMed1994

Physiognomy in the classification of individuals with a lateral preference in mastication.

Chronic habitual chewers usually present with a lack of passive laterotrusive range of mandibular motion at maximum intercuspation, and many have some form of mandibular asymmetry. This study attempted to discover mechanisms that may be responsible for this association and proposes a system by which such persons can be classified based on physiognomy and patterns of mandibular deviation. The influence of facial biotype and altered head posture on the selection of a preferred chewing side was also analyzed.

Facial Asymmetry↗
PubMed1993

Activity of anterior temporalis and masseter muscles during deliberate unilateral mastication.

The reproducibility of electromyographic parameters descriptive of deliberate unilateral chewing (activity, timing, curve symmetry) was investigated in normal asymptomatic volunteers. The best time for the initiation of muscle activity was also examined, with the future aim of staging TMJ internal derangements. The results suggest that activity is the most reliable variable, indicating that it may be helpful in describing muscle incoordination. When time was used in conjunction with another variable, overall reproducibility decreased.

Adult↗
PubMed1998

Recurrent gigantic pyogenic granuloma disturbing speech and mastication: a case report and literature review.

A case of gigantic pyogenic granuloma with three recurrences in the lower anterior gingiva is presented. Surgical wide excision of the lesion is the treatment of choice. The tumour must be excised down to the periosteum and the irritants around it removed to avoid recurrence. A contributing factor to the gigantic lesion is hormonal changes during pregnancy. Long-term review for 18 months after the third surgery showed no evidence of recurrence at the surgical site.

Adult↗