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.
Best Answer: Im a dental assistant and it just depends on the type of numbing medicine they used, usually it will only last 3-4hrs and will gradually be losing the effect. Dont worry it should forsure be gone by 8hrs.Source(s): gurlie0521 Â· 8 years ago.he numbness on you face will last for a bout an hour. When it gets even more numb it means that the numbness is about to fade. I know the feeling had to get the same thing done to both sides of my mouth. Ashley J Â· 8 years ago.