Stage i intraoral food transport: Effects of food consistency and initial bolus size

Shinya Mikushi, Sosuke Seki, Martin B. Brodsky, Koichiro Matsuo, Jeffrey B. Palmer

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Objective We examined the temporospatial characteristics of stage I oral food transport, in which a piece of solid food is moved from the anterior oral cavity to the postcanine region for chewing. Anteroposterior transport is accomplished by carrying food posteriorly on the surface of the tongue, in contrast to the squeeze-back mechanism of stage II transport from the oral cavity to the pharynx. Design There were two experiments (Exp1 and Exp2): In Exp1, Twelve healthy young adults ate 2 g, 4 g, 6 g, 8 g 12 g initial bolus sizes of banana and cookie; in Exp2, fourteen similar subjects ate 6 g of banana and cookie with and without radiopaque tongue surface makers. Motions were recorded with videofluorography in lateral projection. Results Stage I transport duration was longer for cookie than banana (P ≤.025), but there were no significant durational differences among initial bolus sizes. With cookie, tongue pullback was more frequent for small (2 g and 4 g) than large (12 g) bolus sizes (P ≤.048). With banana, however, the frequency of pullback was independent of initial bolus size. Kinematic analysis of tongue pullback revealed that the lower jaw opened as the tongue and hyoid bone moved both posteriorly and inferiorly; the magnitude of these displacements did not vary significantly between banana and cookie. Conclusions We conclude that stage I transport is a complex behaviour involving posterior and inferior displacement of the tongue, jaw and hyoid bone. Its frequency of occurrence is related to initial bolus size and consistency, but the magnitude of displacement is relatively constant.

Original languageEnglish
Pages (from-to)379-385
Number of pages7
JournalArchives of Oral Biology
Volume59
Issue number4
DOIs
Publication statusPublished - 01-04-2014

Fingerprint

Musa
Tongue
Food
Hyoid Bone
Jaw
Mouth
Oral Stage
Mastication
Pharynx
Biomechanical Phenomena
Young Adult

All Science Journal Classification (ASJC) codes

  • Otorhinolaryngology
  • Cell Biology
  • Dentistry(all)

Cite this

Mikushi, Shinya ; Seki, Sosuke ; Brodsky, Martin B. ; Matsuo, Koichiro ; Palmer, Jeffrey B. / Stage i intraoral food transport : Effects of food consistency and initial bolus size. In: Archives of Oral Biology. 2014 ; Vol. 59, No. 4. pp. 379-385.
@article{9473674965c14a0e8feb7e86c6952fd6,
title = "Stage i intraoral food transport: Effects of food consistency and initial bolus size",
abstract = "Objective We examined the temporospatial characteristics of stage I oral food transport, in which a piece of solid food is moved from the anterior oral cavity to the postcanine region for chewing. Anteroposterior transport is accomplished by carrying food posteriorly on the surface of the tongue, in contrast to the squeeze-back mechanism of stage II transport from the oral cavity to the pharynx. Design There were two experiments (Exp1 and Exp2): In Exp1, Twelve healthy young adults ate 2 g, 4 g, 6 g, 8 g 12 g initial bolus sizes of banana and cookie; in Exp2, fourteen similar subjects ate 6 g of banana and cookie with and without radiopaque tongue surface makers. Motions were recorded with videofluorography in lateral projection. Results Stage I transport duration was longer for cookie than banana (P ≤.025), but there were no significant durational differences among initial bolus sizes. With cookie, tongue pullback was more frequent for small (2 g and 4 g) than large (12 g) bolus sizes (P ≤.048). With banana, however, the frequency of pullback was independent of initial bolus size. Kinematic analysis of tongue pullback revealed that the lower jaw opened as the tongue and hyoid bone moved both posteriorly and inferiorly; the magnitude of these displacements did not vary significantly between banana and cookie. Conclusions We conclude that stage I transport is a complex behaviour involving posterior and inferior displacement of the tongue, jaw and hyoid bone. Its frequency of occurrence is related to initial bolus size and consistency, but the magnitude of displacement is relatively constant.",
author = "Shinya Mikushi and Sosuke Seki and Brodsky, {Martin B.} and Koichiro Matsuo and Palmer, {Jeffrey B.}",
year = "2014",
month = "4",
day = "1",
doi = "10.1016/j.archoralbio.2014.01.002",
language = "English",
volume = "59",
pages = "379--385",
journal = "Archives of Oral Biology",
issn = "0003-9969",
publisher = "Elsevier Limited",
number = "4",

}

Stage i intraoral food transport : Effects of food consistency and initial bolus size. / Mikushi, Shinya; Seki, Sosuke; Brodsky, Martin B.; Matsuo, Koichiro; Palmer, Jeffrey B.

In: Archives of Oral Biology, Vol. 59, No. 4, 01.04.2014, p. 379-385.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Stage i intraoral food transport

T2 - Effects of food consistency and initial bolus size

AU - Mikushi, Shinya

AU - Seki, Sosuke

AU - Brodsky, Martin B.

AU - Matsuo, Koichiro

AU - Palmer, Jeffrey B.

PY - 2014/4/1

Y1 - 2014/4/1

N2 - Objective We examined the temporospatial characteristics of stage I oral food transport, in which a piece of solid food is moved from the anterior oral cavity to the postcanine region for chewing. Anteroposterior transport is accomplished by carrying food posteriorly on the surface of the tongue, in contrast to the squeeze-back mechanism of stage II transport from the oral cavity to the pharynx. Design There were two experiments (Exp1 and Exp2): In Exp1, Twelve healthy young adults ate 2 g, 4 g, 6 g, 8 g 12 g initial bolus sizes of banana and cookie; in Exp2, fourteen similar subjects ate 6 g of banana and cookie with and without radiopaque tongue surface makers. Motions were recorded with videofluorography in lateral projection. Results Stage I transport duration was longer for cookie than banana (P ≤.025), but there were no significant durational differences among initial bolus sizes. With cookie, tongue pullback was more frequent for small (2 g and 4 g) than large (12 g) bolus sizes (P ≤.048). With banana, however, the frequency of pullback was independent of initial bolus size. Kinematic analysis of tongue pullback revealed that the lower jaw opened as the tongue and hyoid bone moved both posteriorly and inferiorly; the magnitude of these displacements did not vary significantly between banana and cookie. Conclusions We conclude that stage I transport is a complex behaviour involving posterior and inferior displacement of the tongue, jaw and hyoid bone. Its frequency of occurrence is related to initial bolus size and consistency, but the magnitude of displacement is relatively constant.

AB - Objective We examined the temporospatial characteristics of stage I oral food transport, in which a piece of solid food is moved from the anterior oral cavity to the postcanine region for chewing. Anteroposterior transport is accomplished by carrying food posteriorly on the surface of the tongue, in contrast to the squeeze-back mechanism of stage II transport from the oral cavity to the pharynx. Design There were two experiments (Exp1 and Exp2): In Exp1, Twelve healthy young adults ate 2 g, 4 g, 6 g, 8 g 12 g initial bolus sizes of banana and cookie; in Exp2, fourteen similar subjects ate 6 g of banana and cookie with and without radiopaque tongue surface makers. Motions were recorded with videofluorography in lateral projection. Results Stage I transport duration was longer for cookie than banana (P ≤.025), but there were no significant durational differences among initial bolus sizes. With cookie, tongue pullback was more frequent for small (2 g and 4 g) than large (12 g) bolus sizes (P ≤.048). With banana, however, the frequency of pullback was independent of initial bolus size. Kinematic analysis of tongue pullback revealed that the lower jaw opened as the tongue and hyoid bone moved both posteriorly and inferiorly; the magnitude of these displacements did not vary significantly between banana and cookie. Conclusions We conclude that stage I transport is a complex behaviour involving posterior and inferior displacement of the tongue, jaw and hyoid bone. Its frequency of occurrence is related to initial bolus size and consistency, but the magnitude of displacement is relatively constant.

UR - http://www.scopus.com/inward/record.url?scp=84893286648&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84893286648&partnerID=8YFLogxK

U2 - 10.1016/j.archoralbio.2014.01.002

DO - 10.1016/j.archoralbio.2014.01.002

M3 - Article

C2 - 24606909

AN - SCOPUS:84893286648

VL - 59

SP - 379

EP - 385

JO - Archives of Oral Biology

JF - Archives of Oral Biology

SN - 0003-9969

IS - 4

ER -