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.
1 You may change the gauze pads once more at home, leaving gauze in 30 additional minutes. Remember to remove gauze before eating or drinking.  You may have difficulty feeling your lips, cheeks or tongue due to numbness. This is a temporary feeling and will wear off within 2 to 6 hours.