To Take out One’s Mouth While Fasting

Fast Invalidators
Eating and Drinking
To Take out One’s Mouth While Fasting
To send out the saliva and take it in again make fast invalid, what about taking out one’s tongue? Does it invalidate our fast if we take out our tongue for whatever reason?
The mere doing so does not harm fast validity.
Source: Hadana adopted from the Istiftaat of the Grand Ayatollah Khamenei