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. 

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