Distribution of CBCT by types of sinus pathologies present in the maxillary sinus.

Table 1: Distribution of CBCT by types of sinus pathologies present in the maxillary sinus.

*Di Girolamo Classification*	Number of patients (n)	Percentage of patients (%)	Number of maxillary sinus (n)	Percentage of maxillary sinus (%)
I CLASS	96	42	291	64
II A CLASS	51	23	67	15
II B CLASS	38	17	38	8
III A CLASS	17	7	30	7
III B CLASS	24	11	26	6
IV CLASS	0	0	0	0
TOTAL	226	100	452	100