During preventive examination, a 20-year-old man was found to have enamel defects that look like irregularly shaped coarse white spots in the vestibular precervical area of teeth 11 and 12. The spots stain with 2% methylene blue solution. Make the diagnosis:

Answer options

1. Acute superficial caries of teeth 11 and 12, Black class V
2. Acute initial caries of teeth 11 and 12, Black class V
3. Focal enamel hypoplasia of teeth 11 and 12
4. Acute initial caries of teeth 11 and 12, Black class III
5. Acute superficial caries of teeth 11 and 12, Black class III