Measurements Without tooth agenesis
Mean (SD) 		Tooth agenesis
Mean (SD) 		P-value
SNA 81.54 (3.89) 81.26 (3.62) 0.71
SNB 78.66 (3.79) 79.58 (3.59) 0.21
ANB 2.86 (2.49) 1.66 (2.52) 0.01a

aStatistically significance difference (P < 0.05), Student’s t-test.
SNA = angle between the sella, nasion and subspinale point A; SNB = angle between the sella, nasion and supramentale point B; ANB = angle between subspinale point A, nasion and supramentale point B; SD = standard deviation.