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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/207172
Side switch frequency while masticating different chewing materials, and its relationship with other masticatory behaviors and sensory perceptions.
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Objective: This cross-sectional study aimed to establish normative values for masticatory side switch (MSS) frequency in young Mexican adults and to assess the relationship between various indices and MSS frequency when masticating different chewing materials. Design: We enrolled 101 dentate adults and performed four masticatory assays that involved masticating different chewing materials (i.e., two-colored chewing gum, sweet cracker, salty cracker, and bread). Participants were asked to eat and swallow these foods and to chew the gum for 40 cycles and the following indices were determined: MSS index (MSSI), unilateral chewing index, chewing cycle duration, and number of cycles before terminal swallowing. The participants then rated perceived flavor intensity, salivary flow, and muscle fatigue during each trial. Results: The MSSI ranged from 0.03-0.06 (10th percentile) to 0.48-0.54 (90th percentile). A repeated-measures general linear model revealed a mean MSSI value of 0.28 (95 %CI, 0.25-0.30) adjusted by several factors. Male sex, soft food, and the last chewing period were associated with lower MSS frequency. Spearman's test showed a high correlation for the MSSI among the different foods. MSSI correlated negatively with the unilateral chewing index for each chewing material and with number of cycles for the sweet cracker. However, no significant correlation was detected between MSSI and sensory perception. Conclusions: In healthy dentate individuals, the mean MSS relative frequency is 25-30 % with an 80-central percentile of 5-50 % of the maximum possible side changes. Lower MSS frequencies were detected in men, when chewing soft food, and during the final chewing period.
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FLORES OROZCO, Elan ignacio, IGNATOVA, Tatiana, HERNANDEZ-ZAMORA, Miranda oryana, DE-HARO-LÓPEZ, Cristina, OSUNA-HERNÁNDEZ, Mireya guadalupe, ESCOBEDO-JIMÉNEZ, Ximena paola, FLORES-HERNÁNDEZ, Frida livier, RODRÍGUEZ-CORREA, Lizbeth, ROVIRA LASTRA, Bernat, MARTÍNEZ GOMIS, Jordi. Side switch frequency while masticating different chewing materials, and its relationship with other masticatory behaviors and sensory perceptions.. _Archives of Oral Biology_. 2023. Vol. 155. [consulta: 21 de gener de 2026]. ISSN: 0003-9969. [Disponible a: https://hdl.handle.net/2445/207172]