Table 2. Scale describing aesthetic improvement according to GAIS

	Degree	Description
1	Exceptional improvement	Excellent corrective result
2	Very improved	Marked improvement of the appearance, but not completely optimal
3	Improved	Improvement of the appearance, better compared with the initial condition, but a touch-up is advised
4	Unchanged	The appearance substantially remains the same compared with the original condition
5	Worsened	The appearance has worsened compared with the original condition