I found this morning when brushing coating has become black,

I found this morning when brushing coating has become black,

Question:

Gender: male
Age: 33
History: coating black
Illness description:
This morning when brushing your teeth found on a black coating, but how to brush brush off,

Added question 1:(2010-08-23 14:51:48)
Last week night until 2 o 'clock is always sleeping, and this relationship? Everything else without discomfort,

Added question 2:(2010-08-23 14:57:28)
This and smoke verdad?

Treatment:

No symptoms that may be caused by food dye moss.