Central giant cell granuloma classification criteria.

Table 1: Central giant cell granuloma classification criteria.

	Group I Aggressive	Group II Non-aggressive
Lesion size	≥ 5 cm	< 5 cm
Rapid growth	Yes	No
Root resorption	Frequently	No
Tooth displacement	Frequently	No
Perforation of bone cortex	Frequently	No
Recurrence after curettage	Yes	No

Classification proposed by Chuong, et al. and adapted by Peacock, et al. [6,7].