What causes oral rot?

Normally speaking, oral erosion will be a kind of oral ulcer, or a kind of oral inflammation, after showing this situation is usually caused by local irritation, or some lack of vitamins and sharp irritation. Local ulcer phenomenon, or there are some skin allergies caused by oral ulcer erosion, or the occurrence of oral inflammation. Show these problems, we in the cause analysis, one is lack of vitamins, then resistance decline, or is caused by local stimulation, so say show the above problems, when the treatment needs to find the cause can be timely differentiation and identification.