system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Immediately following a traumatic injury to upper central incisor, pulp testing is negative. Treatment of choice would be:
assistant
The correct answer is  A negative response, however, is not reliable evidence of pulp death because some teeth that give such a response soon after the injury may recover vitality after a time.