Generally the effect of anaesthesia should set in within the first minute. Some gels form a coating over the ulcer and can remain in the mouth for longer duration.
Other gels just get washed or swallowed off.
The main intention of the gel is to numb the ulcer so that you can eat properly.
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.
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