The abscess is formed when an area of tissue the pregnancy and the body is activated to fight infection. White blood cells (the cells that defend the body against certain types of infection) to migrate through the blood vessels at the site of infection and accumulate over damaged tissue. During the defensive process that characterizes the abscess will form the "pus", which is an accumulation of fluids, blood cells living and dead, decaying tissue and bacteria in addition to material that has initiated the process suppurative.
Dental abscess (see) has the general characteristics of any abscess, differing by location and mode of activation of the infectious process.