If teeth are not properly cared for, they will decay overtime. The decay process happens gradually, but if it’s not caught in time, it can lead to more severe problems.
Tooth Decay
In Stages

1. Decay in Enamel
This stage is not painful

2. Advanced Decay
This stage is not painful

3. Decay in Dentin
This stage is painful

4. Decay in Pulp
This stage is very painful