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Progress in Orthodontics
Fig. 1 | Progress in Orthodontics

Fig. 1

From: Estimating and comparing the duration of adolescent growth peak in skeletal class I and III subjects using cervical vertebral maturation method

Fig. 1

Cervical vertebral maturation staging, introduced by Baccetti. CS1: three vertebrae have flat inferior borders, and C3 and C4 are trapezoids in shape. CS2: the inferior border of C2 is concaved. C3 and C4 are still trapezoidal. CS3: the inferior borders of C2 and C3 are concaved. The shape of C3 and C4 may be a trapezoid or horizontal rectangle. CS4: concavity is visible in the inferior border of three vertebrae. C3 and C4 are in the shape of a horizontal rectangle. CS5: concavity is visible in the inferior border of three vertebrae. C3 and C4 may be shaped like a square or a horizontal rectangle. CS6: concavity is visible in the inferior border of three vertebrae. C3 and C4 may be in a shape of a square or vertical rectangle

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