This sutdy aimed at examining the effect of lingual frenectomy on phonation & tongue movement.
Almost the patient visiting to department of oral & maxillofacial surgery for the treatment of tongue tie, always complain the speech problem. Many operation was performed according to this problem. But the objective evaluation of the speech
change
have
been deficient.
The experimental group was 25 adult males. Fourteen Korean consonants & five Korean vowels was combined and seventy sound was made for speech analysis. Before & after lingual freqnectomy, the speech of the above mentioned group was recorded and
then
analysed by the Speech Workstation computer software.
And before & after operation, the lingual frenum & tongue protrusion amount was measured.
@ES The results were as follows:
@EN 1. The pre-operative lenght of lingual frenum was inverse proportion with the pre-operative length of the protrusive tongue.
2. The average differece between pre & post-operative lenght of the protrusive tongue was about 23 mm.
3. In the comparison of consonant continuing time change, fricative consonant (r, s, h) was increased post-operatively.
4. In the comparison of the vowel frequency formant change, the "r" and "u" sound was reliably changed.
5. There was no reliable speech changes on the other sounds.
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