The earliest response of pulpitis is:

 # The earliest response of pulpitis is:

A. Cyst formation

B. Calcification

C. Hyalinization

D. Formation of dental granuloma

The correct answer is C. Hyalinization.

Sterile necrosis is called as hyalinization. 

- Focal pulpitis is characterized microscopically by dilatation of the pulp vessels. 

- Edema fluid may collect because of damage to the capillary walls, allowing actual extravasation of red blood cells or some diapedesis of white blood cells. 

- Slowing of the blood flow and hemoconcentration due to transudation of fluid from the vessels conceivably could cause thrombosis.