INBDE (Integrated National Board Dental Examination) Practice Exam

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What is the risk of pulpal necrosis in subluxation open apices?

The correct answer is: 0%

Pulpal necrosis refers to the death of the dental pulp tissue, which can occur as a result of damage or infection. Subluxation open apices refers to a dental injury where the tooth has been displaced and the end of the root is partially or fully open. In this case, the risk of pulpal necrosis is very low or almost non-existent because the blood supply and nerve endings in the root of the tooth are still intact. This means that the pulp tissue is able to receive the necessary nutrients and maintain its vitality. Therefore, options B-D, which suggest a higher risk of pulpal necrosis, are incorrect in this context.