Digestion in the duodenum mostly depends upon the actions of the pancreatic enzymes and bile. When the food is not digested properly the gut's microorganisms tend to ferment it with releasing a lot of gas and many toxic irritated substances.
Report Abuse. Depends where in the mouth and how many.About 3 hours is normal.If you try eating with a numb mouth you could bite off a part of your cheek or tongue as it has no feeling.So eat when it goes down. London NW3 Â· 7 years ago. Thumbs up.
My mom usually used to take me to the doctor, and the doc would give me some kinda medicine(I don't know anything about pharmacy) called glycerine (not sure).I just used to apply that on the numb side of tongue and within like 3-4 days, my tongue would be back on the taste business. hope this helped.