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Eixo Y

Linha do ponto da sela túrcica ao ponto gnátio.

S

Eixo Y

Legenda (cores):

: Linha SGn

Gn

DOWNS, W. B. Variations in facial relationship: their significance in treatment and prognosis. Am J Orthod, St. Louis, v. 34, n. 3, p. 813-840, 1948.

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