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. 2023 Jul;111(3):728-733.
doi: 10.1007/s10266-022-00777-7. Epub 2022 Dec 23.

Masticatory path pattern and masticatory performance while chewing gummy jelly

Hiroshi Shiga  1 , Kunihisa Nakajima  2 , Masaoki Yokoyama  2 , Marie Komino  2 , Hanako Uesugi  2 , Mako Sano  2 , Ichiro Arakawa  2 , Takashi Oh  2
Affiliations

Masticatory path pattern and masticatory performance while chewing gummy jelly

Hiroshi Shiga et al. Odontology. 2023 Jul.

Abstract

The purpose of this study was to clarify masticatory path pattern and masticatory performance during gummy jelly chewing. A total of 235 healthy adults were asked to chew gummy jelly for 20 s on each side, and the masticatory movement was recorded using a Motion Visi-Trainer (MVT V1). Next, the amount of glucose extraction was measured as a parameter of masticatory performance. The masticatory path was classified into one of five patterns newly devised: normal pattern (N, opening: straight or concave, closing: convex) and abnormal patterns (A1-A4). The number of occurrences of each pattern was investigated and compared by sex and path pattern. Next, masticatory performance was compared between the normal pattern and the abnormal patterns by sex. Pattern N was the most frequently expressed in 346 cases out of 470 cases (73.6%), followed by patterns A1, A4, A2, and A3 in that order. Regarding the number of patterns observed, pattern N was the most common in both sexes, followed by pattern A1, with no significant difference between sexes. The amount of glucose extraction in each pattern was the highest in pattern N for both sexes, followed by A2 and others in that order, and a significant difference was observed between the normal pattern and the abnormal patterns. From these results, the existence of sex difference in masticatory path patterns during gummy jelly chewing was not proven, and that masticatory performance was higher with normal patterns than with abnormal patterns.

Keywords: Gummy jelly; Masticatory function; Masticatory movement; Masticatory performance; Path pattern.

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