矯正前牙後退對吞嚥時舌頭運動的影響

Translated title of the contribution: The Influence of Orthodontic Retraction of Anterior Teeth on Tongue Movement during Swallowing

蔡吉陽, 彭建綸, 吳建華, 陳怡君

Research output: Contribution to journalArticle

Abstract

The purpose of this study was to evaluate the changes on the tongue movement during swallowing before and after orthodontic retraction of anterior teeth using ultrasound technique. The subject consisted of four men and nine women, with a mean age of 21.3 years old. The subjects were undergoing orthodontic treatment with extraction, and there were at least 3mm space left on each side between lateral incisors and canines. The cephalometric radiography and ultrasound image of swallowing were recorded just before and after anterior teeth retraction. All the changes and correlation between the variable of anterior teeth and the variable of tongue movement during swallowing were all discussed. The result showed that there was no significant change on duration and magnitude during swallowing after anterior retraction. It is also found the rest position of tongue is highly positive related to the magnitude of phase Ⅱa and phase Ⅲa. It demonstrated that anterior teeth retraction would not affect tongue movement during swallowing.
Translated title of the contributionThe Influence of Orthodontic Retraction of Anterior Teeth on Tongue Movement during Swallowing
Original languageTraditional Chinese
Pages (from-to)233-243
Number of pages11
Journal中華牙醫學雜誌(中文版)
Volume25
Issue number4
Publication statusPublished - 2006

Keywords

  • anterior retraction
  • ultrasound
  • tongue
  • swallow
  • orthodontics

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