what the hell is a nug i keep hearin people say it but i dunno what it means. im good on most other words its just this one i got trouble with.
Other causes of corneal ulcers include: Abrasions or burns to the cornea caused by injury to the eye. Scratches, scrapes and cuts from fingernails, paper cuts, makeup brushes and tree branches can become infected by bacteria and lead to corneal ulcers. Burns caused by caustic chemicals found in the workplace and at home can cause corneal ulcers.
Mouth ulcers can be caused by a wide range of factors including: 1  accidental biting of the cheek. 2  injury from a toothbrush (such as slipping while brushing) 3  constant rubbing against misaligned or sharp teeth.  constant rubbing against dentures or 1  braces. poor oral hygiene.  burns from eating hot food.