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Titolo:
Rhythmic and irregular movement of the first molar while eating foods withdifferent textures
Autore:
Togashi, M; Morita, A; Nakazawa, F;
Indirizzi:
Kyoritsu Womens Univ, Fac Home Econ, Phys Lab, Tokyo 1938501, Japan Kyoritsu Womens Univ Tokyo Japan 1938501 Phys Lab, Tokyo 1938501, Japan
Titolo Testata:
JOURNAL OF TEXTURE STUDIES
fascicolo: 3, volume: 31, anno: 2000,
pagine: 257 - 271
SICI:
0022-4901(200009)31:3<257:RAIMOT>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
PALATAL PRESSURE PATTERNS; POINT SHEET SENSOR; GELATIN GELS; MASTICATION; CRACKERS; MOUTH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
17
Recensione:
Indirizzi per estratti:
Indirizzo: Nakazawa, F Kyoritsu Womens Univ, Fac Home Econ, Phys Lab, Hachioji Campus,Motohachioji 1-710, Tokyo 1938501, Japan Kyoritsu Womens Univ Hachioji Campus,Motohachioji 1-710 Tokyo Japan 1938501
Citazione:
M. Togashi et al., "Rhythmic and irregular movement of the first molar while eating foods withdifferent textures", J TEXT STUD, 31(3), 2000, pp. 257-271

Abstract

The three-dimensional movement of a tooth, any tooth, while naturally eating, was measured by an apparatus developed in our laboratory. The movement of the first molar on the usually used side is reported here. The mastication movements are divided into two parts, namely the rhythmical chewing period during which there are mastication pressure loads on the molar and the irregularly pulsated moving period in preparation for the swallowing followed by the rhythmical one during which there is no more pressure on it. The amplitudes of the up and down movements of the molar are 10-22mm for the rhythmical chewing period which are bigger than those for the irregularly moving period. The rhythmical chewing periods are distributed around 10-40 s depending on 14 kinds of food texture, and also on the size of the food, in afairly similar manner for the participants. The period is longer for toughfoods and bigger samples. The irregularly pulsated moving periods are widely distributed, 2-45 s, and depend both on the food texture and on the participant. The irregular moving periods are longer for foods which scatter inthe mouth or adhere to the teeth when chewing. The ingestion difficulty ofthe food was divided into two groups. One is where it is difficult to break down the food with the teeth and the other is where it is difficult to prepare for swallowing.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/11/20 alle ore 09:51:50