Influence of straw type on feeding development in infants

Hara, Mutsuki; Ishida, Ryo; Ohkubo, Mai; Sugiyama, Tetsuya; Kawata, Takahiro; Ide, Yoshinobu; Abe, Shinichi

doi:10.1016/j.pdj.2013.03.005

Cited by 1 publication

(1 citation statement)

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“…It is generally considered appropriate that during fluid intake with a straw, the tip is inserted no further than the front teeth and sealed by the upper and lower lips . We previously reported that straws with valves create a valve‐opening shape from biting the tip that may hamper lip closure development and affect the development of drinking ability in infants .…”

Section: Introductionmentioning

confidence: 99%

Effects of varying fixed lingual apex positions on tongue pressure during straw drinking

Hara

Ishida

Ohkubo

et al. 2014

J of Oral Rehabilitation

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We investigated the impact of tongue-thrusting on lingual pressure during fluid intake with a straw. In this study, 12 healthy young dentate individuals (two women and 10 men; 19-33 years) were instructed to drink 15 mL of water with a regular drinking straw at 37 °C, when indicated by the investigator. Participants drank after adjusting tongue position to one of the following patterns: (i) Holding the tip of the straw between the lips (Normal Position: NP), (ii) Sticking out the tongue to the vermilion zone of the lower lip and inserting the straw 1 cm past the front teeth (Tongue-thrusting Position: TP). Five recordings were conducted for each participant in a randomised order. To measure tongue pressure during swallowing, a specially designed 0.1-mm thick sensor sheet (Nitta, Osaka, Japan) with a tactile system for measurement of pressure distribution (I-SCAN; Nitta) was used. Duration, maximal magnitude and integrated value of tongue pressure were analysed based on the wave of tongue pressure recorded while water was swallowed. Magnitude, duration and integrated value of tongue pressure were significantly lower in TP than in NP at the median line (Ch1-3). Magnitude and integrated value of tongue pressure at the lateral part of the tongue (Ch5) were significantly lower in TP than in NP. When duration, maximal magnitude and integrated values were compared by channel, no significant differences were observed in NP, but a significant difference was found between Ch3 and the lateral areas Ch4/Ch 5 in TP. When the tongue was thrust forward, movement dynamics of the entire tongue changed and influenced contact between the tongue and palate during liquid intake with a straw. The impact was noticeably weaker on the median line than in lateral areas.

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Section: Introductionmentioning

confidence: 99%