Zones of Fish
What is the zone of fish?
Describes bodies way of isolating and localizing an infection in periradicular area
Stages of the zone of fish
1.Infection/ Necrosis - bacteria, PMSs
2.Contamination - bacterial toxins, lymphocytes, macrophages
3.Irritation - macrophages, osteoclasts, lymphocytes, plasma cells
4.Stimulation - osteoblasts, fibroblasts