Table 2.

Lift the lip ¹ scoring for progression of decay.

Score	Progression of Decay
1	Healthy teeth and gums. No signs of decay and only a little plaque
2	Chalky patches and enamel breakdown on the side of the front teeth.
3	Clearly visible decayed front teeth, both in-between upper front teeth, and along the gumline
4	Well-advanced decay. The crowns of the top teeth are breaking down and decay is starting between the bottom teeth
5	Only the roots of the top teeth are left.
6	Deep decay in the lower back teeth (molars).

¹ [21].