Question 221 · LDEK · Dental trauma in children
Indicate the true statements concerning dental trauma:
1) just after a dental trauma one should not additionally damage periodontal ligaments of the tooth by checking its reaction to tapping;
2) radiologically diagnosed lateral luxation or intrusion can be confirmed by tapping;
3) in the case of tooth injury, the pulp reaction to stimuli can be normal even in 3 months after the injury;
4) pink discoloration of a tooth after trauma can be a result of extravasation of blood to the pulp;
5) in a young, immature tooth a delayed treatment after trauma cannot be the cause of pulp necrosis if there is no actual exposure of the pulp.
The correct answer is:
2) radiologically diagnosed lateral luxation or intrusion can be confirmed by tapping;
3) in the case of tooth injury, the pulp reaction to stimuli can be normal even in 3 months after the injury;
4) pink discoloration of a tooth after trauma can be a result of extravasation of blood to the pulp;
5) in a young, immature tooth a delayed treatment after trauma cannot be the cause of pulp necrosis if there is no actual exposure of the pulp.
The correct answer is:
- A. 1,3,4.
- B. 1,2,3.
- C. 1,2,4.
- D. 2,3,5.
- E. 2,4,5.
Hint
Recall what a high metallic percussion sound indicates and how long the pulp status can keep changing after an injury.
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