Increase in capillary permeability, Edema, Collapsed venule

An increase in capillary permeability and filtration results in edema and increased Thp. Localized areas of inflammatory changes with an elevation in Thp in the low compliant pulp chamber would collapse adjacent low pressure venules. The net effect is reduced blood flow, producing ischemia, cellular acidosis and degeneration of the metabolically active odontoblasts.

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