Phonetic-acoustic and ultrasonographic characteristics of speech after lingual frenectomy: a case report.
Águida Alves Pereira, Danielle Pereira de Lima, Aline Natallia Simões de Almeida and 7 others
PMID 40802298WHAT IT FOUND
After lingual frenectomy, the child's tongue moved more freely and acoustic and ultrasound measures changed, but the tap sound distortion remained.
This cannot show the surgery improves speech.
Key findings
01The tap sound distortion remained after lingual frenectomy.
02Maximum mouth opening with the tip of the tongue touching the incisive papilla increased from 9 mm to 10 mm after surgery.
03Ultrasound measures of tongue movement changed after surgery, but the lateral sound pattern was not systematic.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
This is a case report, so it cannot show what most children with tongue tie would do. The follow-up was short, and the paper does not report speech-language therapy after surgery. The acoustic formant interpretation for these sounds is not well established. The main speech complaint remained after surgery.
The easy way to misread this
Do not conclude that lingual frenectomy improves speech. This was a case report, and the tap sound distortion remained after surgery.