| 1) Enamel | Outer most |
| Insensitive | |
| Protective | |
| Translucent | |
| 2) Dentin | Provides colour to teeth(white/yellow/gray) |
| Sensitive | |
| Forms major part of tooth | |
| 3) Pulp | Most inner part |
| Highly sensitive | |
| Gives nourishment to tooth | |
| 4) Cementum | Covers root of tooth |
| Sensitive |
| Deciduous(milk) | Permanent |
|---|---|
| Numbers: 20 | Numbers: 28-32 |
| Eruption age: 6 months-2.25 years | Eruption age: 6 years-12/13 years |
| Shedding age: 6 years-12/13 years | Wisdom tooth: after 18 years |
