Table 1.

Adhesion score system for PGA spacer

Score	Description of score: separability, adhesion surface area (%)
0	No adhesion
1	Partially filmy adhesion: easy to separate with gentle traction, 1%–25%
2	Partially thick adhesion: separated with moderate traction, 26%–50%
3	Dense adhesion: not separate, 51%–75%
4	Very dense adhesion: not separate, 76%–100%
―	Obvious reduction, fibrous adhesions