# Stunned pulp is:
A. Stunning appearance on radiograph
B. Does not respond to vitality tests 6-8 weeks after trauma
C. Necrosed pulp
D. Hyperaemic pulp
The correct answer is B. Does not respond to vitality tests 6-8 weeks after trauma.
Diagnosis of traumatized tooth:
- Diagnosis is made from the patient's history, visual examination, radiographs, electric pulp test, and the thermal test. Following fracture of the root, the reaction to tests of pulp vitality may be negative for as long as 6-8 weeks; that is, the pulp is stunned.
- A stunned tooth due to injury responds within 6 weeks. If it does not respond after that, pulp may be undergoing necrotic changes.
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