A Case Against Teflon Injection to Lower Vocal Pitch A patient with severe hoarseness was seen three months after Teflon injection of both vocal folds had been performed elsewhere to lower an abnormally high pitch. Pitch analysis utilizing voice spectrography revealed no significant drop in fundamental frequency. The hoarseness is presumed to have resulted from disparate glycerin absorption, inflammatory ... Clinical Exchange
Clinical Exchange  |   November 01, 1975
A Case Against Teflon Injection to Lower Vocal Pitch
 
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Article Information
Clinical Exchange   |   November 01, 1975
A Case Against Teflon Injection to Lower Vocal Pitch
Journal of Speech and Hearing Disorders, November 1975, Vol. 40, 499-501. doi:10.1044/jshd.4004.499
History: Received January 30, 1975 , Accepted February 3, 1975
 
Journal of Speech and Hearing Disorders, November 1975, Vol. 40, 499-501. doi:10.1044/jshd.4004.499
History: Received January 30, 1975; Accepted February 3, 1975

A patient with severe hoarseness was seen three months after Teflon injection of both vocal folds had been performed elsewhere to lower an abnormally high pitch. Pitch analysis utilizing voice spectrography revealed no significant drop in fundamental frequency. The hoarseness is presumed to have resulted from disparate glycerin absorption, inflammatory changes of the folds, and asynchronous vibration of the folds. Vocal fold injection to increase fold thickness and lower pitch is not a simple technique and is not advised until all parameters have been thoroughly studied.

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