Guest guest Posted October 10, 2004 Report Share Posted October 10, 2004 Can lower jaw advancement make any changes to the sound of your voice? Quote Link to comment Share on other sites More sharing options...
Guest guest Posted October 10, 2004 Report Share Posted October 10, 2004 Can lower jaw advancement make any changes to the sound of your voice? Quote Link to comment Share on other sites More sharing options...
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