Question 154 · LDEK · Trauma to permanent teeth
Indicate the true statement concerning dental trauma:
- A. intruded teeth to the depth of < 5mm (below 5 mm) show the lower rate of external root resorption.
- B. teeth with open apex show smaller ability of healing if it is a case connected with an exposure of the pulp or a fracture of the root than teeth with a close apex.
- C. in a case of tooth intrusion <5 mm (below 5 mm), necrosis of the pulp is often observed.
- D. in permanent teeth with open apex, leaving an unsealed fractured crown can lead to pulp necrosis.
- E. avulsed teeth should be kept in HBSS solution, saline, milk, water or saliva.
Hint
Think about dentinal tubule width and dentine thickness in immature teeth, and which storage media are truly physiological.
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