Question 8 · LDEK · Trauma to primary teeth
Indicate the true statement concerning sequelae of a trauma to primary dentition:
- A. developmental defect of permanent teeth after a trauma to milk teeth are present in 80-96% of cases.
- B. hypoplasia of the enamel of central incisors can be a consequence of an injury to milk teeth at the age of 2-7 years.
- C. total or partial inhibition of root development is a frequent complication after the intrusion of a milk incisor at the age of 2-3 years.
- D. ‘sickle incisor’ is a kind of malformation present after a trauma to the central lower incisor.
- E. dilacerations of the crown of a permanent tooth is a sequela of fractures embracing enamel and dentine of the milk tooth crown.
Hint
The permanent incisor crown is still mineralizing during a certain age window; consider which defect appears when trauma strikes then.
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