CBCT Assessment of Ethmoid Roof Variations through Keros, Gera, and TMS Classifications

Table 3

Keros scores in the right and left sides.

Variables			Keros scores right side
			1.00	2.00	3.00
Keros scores left sides	1.00	Count	40	28	0
		% of total	10.8%	7.5%	0.0%
	2.00	Count	41	186	23
		% of total	11.0%	50.0%	6.2%
	3.00	Count	3	29	22
		% of total	0.8%	7.8%	5.9%