Saar Asad, Waheedul Hamid.
Assessment and comparison of dimensions of Sella turcica in skeletal class I & skeletal class II cases.
Pak Oral Dental J Jan ;25(1):59-64.

The aim of this study was to assess and compare the dimensions of Sella Turcica in 90 subjects grouped as Group A (Skeletal Class I: ANB 0-4°, Wits value -1 to 0.5 mm)1.4and Group B (Skeletal Class II ANB>4°, Wits value >0.5 mm) aged 14-30 years each having 45 subjects. For Group A Width (W) of Sella Turcica is found to be 15.33 mm + 2.77 S.D, Depth (D) 6.43 mm + 1.45 S.D, Area (A) 66.05 mm2+ 9.2 S.D, Specific Dimension (SDim) 99.5 mm2+ 27.7 S.D and Interclinoid Distance (I) as 5.55 +2.12 S.D while for Group B Width (W) of Sella Turcica is found to be 14.55 mm+2. 16 S.D, Depth (D) 6.45 mm+0.9 S.D, Area (A) 60.35 mm2+7.96 S.D, Specific Dimension (SDim) 94.4 mm2+2 1.56 S.D and Interclinoid Distance (I) as 4.85 mm+0.93 S.D. When two groups were compared for Sellar Dimensions, Width, Area and Interclinoid Distance showed statistically significant difference between the Skeletal Class II and Skeletal Class I subjects (P<0.05) while Vertical Depth & Specific Dimension showed statistically insignificant difference (P>0.05). Moreover these findings appear to indicate the greater likelihood of Sella Turcica bridging in Skeletal Class II patients.

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