6 years old patient received trauma in his maxillary primary incisor, the tooth is intruded. The permanent incisors are expected to have

6 years old patient received trauma in his maxillary primary incisor, the tooth is intruded. The permanent incisors are expected to have:

1. Yellowish or whitish discoloration with hypoplasia

2. Displacement.

3. Malformation.

4. Cracks in enamel.

Enamel hypoplasia: Trauma or infections of developing teeth.