Three-Dimensional Determination (Morphometric Study) of Arch Perimeter and Palatal Depth in an Iraqi Sample Aged 17–25 Years with Sickle Cell Anemia: A Cross-Sectional Study

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Sickle cell anemia (SCA) is a hereditary disorder caused by the substitution of valine for glutamic acid in position six of globin's beta chain. Segmental arch dimensions, arch perimeter, and palatal depth comparison between SCA and control using the three-dimensional (3D) technique was the aim of this study. This cross-sectional investigation was carried out in Karbala City. The sample consisted of 200 casts (100 SCA and 100 control). Each group consisted of 50 casts upper, and 50 casts lower (25 males and 25 females). The arch perimeter was calculated using two segmented arch lengths bilaterally. Palatal depth was measured from the mesiolingual cusp tip of the upper first permanent molar to the corresponding palatal vault. The difference between the control and SCA groups was calculated using the independent t-test. Except for lower left incisal to canine distance (LLI-C), where p = 0.01 there was no significant difference in segmental arch measurements and perimeter between males in SCA and males in control. There was no significant difference in segmental arch measurements and perimeter between females in SCA and females in control. There was no significant difference in palatal depth between the control and SCA (male and female). SCA did not affect the segmental, arch perimeter, and palatal depth measurements.