The evaluation of posterior superior alveolar Canal in patients with unilateral cleft lip and palate using cone-beam computed tomography

Table 2 Location of the PSAC entry point relative to the maxillary sinus and teeth, and PSAC supero-inferior diameter in CS and NC

	CS (n = 60)	NC (n = 60)	P-value
Maxillary sinus	n(%)	n(%)
Alveolar crest	-	-	< 0.001**⁺
Inferior	-	30 (50)
Middle	37 (61.7)	26 (43.3)
Superior	23 (38.3)	4 (6.7)
Tooth position	n(%)	n(%)
P1	33 (55)	21 (35)	0.022*⁺
P2	20 (33.3)	23 (38.3)	0.568⁺
M1	7 (11.7)	15 (25)	0.049*⁺
M2	-	1 (1.7)	0.500⁺
PSAC supero-inferior diameter (mm) (Mean ± SD)	1.08 ± 0.2	0.96 ± 0.2	0.001**⁺⁺

*p < 0.05;**p < 0.01. ⁺: Chi-square test, ⁺⁺: Mann Whitney U, CS: cleft side, NC: non-cleft side, P1: 14/24 first premolar, P2:15/25 second premolar, M1: 16/26 first molar, M2: 17/27 second molar, PSAC: posterior superior alveolar canal, SD: Standard Deviation

ISSN: 1472-6831