Table 1.

ICON scoring protocol

	Score
Component	0	1	2	3	4	5	Weight
1. Aesthetic assessment	Score 1–10	7
2. Upper arch Crowding	<2 mm	2.1–5 mm	5.1–9 mm	9.1–13 mm	13.1–17 mm	>17 mm or Impacted teeth	5
Spacing	<2 mm	2.1–5 mm	5.1–9 mm	>9 mm			5
3. Crossbite	No crossbite	Crossbite present					5
4. Anterior Openbite	Edge to edge	<1 mm	1.1–2 mm	2.1–4 mm	>4 mm		4
Overbite	<1/3 lower incisor coverage	1/3–2/3 coverage	2/3 up to completely covered	Completely covered			4
5. Buccal Segment Antero-posterior	Cusp to embrasure only. Class I, II, III	Any cusp relation up to but not including cusp to cusp	Cusp to cusp				3