1. Why brown spots on teeth in early dental caries ?
2. Why black spots on teeth in mid dental caries ?
3. Why small ditches on teeth in mid dental caries ?
4. Why small hole on teeth in mid dental caries ?
5. Why big hole on teeth in late dental caries ?
6. Why part of teeth gets fractured in late dental caries ?
7. Why whole crown of tooth gets fractured in very late dental caries ?
8. Why roots get carious in very very late dental caries ?