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Table 2 Mean dimensions of retromaxillary recess of the sphenoid sinus on both sides

From: Retromaxillary recess of the sphenoid sinus: an overlooked recess

Retromaxillary recess of the sphenoid sinus

Mean ± SD in mm

T test

P value

Right side

Left side

Anteroposterior diameter (depth)

7 ± 0.6

8.3 ± 0.8

t = 5.3022

< 0.0001 S

Width of the recess

6.1 ± 0.6

6.4 ± 0.7

t = 1.3244

0.195 NS

Opening of the recess

6.1 ± 0.5

6.2 ± 0.4

t = 0.6319

0.5321 NS

  1. SD standard deviation, S significant, NS non-significant