腭裂手术前后舌静止及动态的比较研究

目的　探讨舌的位置及动态对腭裂语音的影响。方法　应用标准头颅侧位Ｘ 线片及计算机图像扫描系统，对腭裂手术前后及正常人的舌静止及发／ａ：／ 时的位置及动态变化进行了比较研究。结果　静止时，术前组Ａ／Ｆ值小于术后及对照组（ Ｐ＜ ０ ．０１） ；术后组Ｃ／Ｈ值小于术前及对照组（ Ｐ＜０ ．０１） ；术后组Ｓ／Ｖ 值小于对照组（ Ｐ＜ ０．０１）。发／ａ：／ 时，术前组Ｄ／Ｆ、Ａ／Ｐ 及α／ｐ 均小于对照组，而Ｐ／Ｂ、Ｃ／Ｈ 大于对照组；术后组Ａ／Ｆ小于对照组（ Ｐ＜ ０ ．０５） ，Ｃ／Ｈ 大于对照组（Ｐ＜ ０．０１）；术前组Ｄ／Ｆ、Ａ／Ｐ、α／ｐ 小于术后组。结论　腭裂术前的舌位置及动态存在明显异常，术后虽可获得接近正常的一定变化，但仍存在某些异常，需经语音治疗，消除舌的不良因素，才能达到清晰发音

Comparison of tongue position and movement pattern before and after repair in cleft palate patients\

Objective\ To study the influence of tongue position and movement pattern on the phonation of cleft palate patients.Methods\ The standard lateral cephalometric roentgenographic recordings were performed at rest and functional position. Computer scanning system was used to measure and analyse the graphs.Results\ At rest position, A/F ratio in pre operation group is smaller than in post operation and control groups; C/H ratio in post operation group is greater than in pre operation and control groups; S/V ratio in post operation group is smaller than in control group. During phonation of /a:/, D/F, A/P,A/F and a/p ratios in post operation group are smaller, but P/B, C/H ratios are bigger than in control group. A/F ratio in post operation group is smaller and C/H ratio is bigger than in control group. D/F,A/P,a/p ratios in pre operation group are smaller than in post operation group.Conclusion\ Significant abnormalities of tongue position and movement pattern exist in pre operation group. After operation for cleft palate, most abnormalities disappeared, but some still persist. It is necessary for the patients to have phonetic training to eliminate these abnormalities and achieve clear phonation.