Assessment of the Relationship between Maxillary Posterior Teeth and Maxillary Sinus Using Cone-Beam Computed Tomography

Table 2

The mean distance of different maxillary posterior roots from MSF stratified by age groups.

Roots	Group I	Group II	Group III	Group IV	value
	Mean in mm (SD)	Mean in mm (SD)	Mean in mm (SD)	Mean in mm (SD)
B UFP	4.77 (2.86)	4.8 (2.29)	5.87 (3.36)	6.11 (4.05)	<.001
P UFP	4.22 (2.24)	4.54 (1.94)	5.42 (3.64)	5.86 (4.26)	<.001
USP	2.36 (2.53)	2.67 (2.81)	3.16 (2.94)	3.4 (2.84)	.001
MB UFM	1.28 (1.42)	1.55 (2.28)	2.19 (1.45)	2.79 (2.95)	<.001
DB UFM	1.26 (1.72)	1.47 (2.58)	1.77 (2.76)	2.02 (1.38)	0.004
P UFM	0.95 (1.49)	1.15 (2.38)	1.51 (2.06)	1.84 (3.45)	0.001
MB USM	0.62 (1.59)	0.67 (2.02)	0.86 (1.24)	1.07 (1.48)	0.021
DB USM	0.98 (0.93)	1.03 (1.39)	1.2 (1.02)	1.34 (2.52)	0.101
P USM	0.91 (1.84)	1.28 (1.18)	1.47 (2.68)	2.21 (2.03)	0<.001
MB UTM	1.41 (0.82)	1.65 (1.71)	1.93 (1.21)	2.03 (3.13)	0.006
DB UTM	1.29 (2.0)	1.5 (1.32)	1.6 (2.65)	2.62 (1.98)	0<.001
P UTM	1.65 (1.52)	1.86 (1.05)	1.91 (1.8)	2.0 (2.8)	0.313

: significant.