Table 2: Pre and post-operative differences in nasolabial angle after orthognathic procedures.

Procedure Movement Pre op Post op Difference
Max adv 4mm 108.3 113.9 Inc by 5.6
Max adv 5mm 112.3 123.0 Inc by 10.7
Max sback 2mm 119.5 109.6 Dec by 9.9
Max sback 3mm 101.0 96.7 Dec by 4.3
Max sback 3mm 103.5 99.4 Dec by> 4.1
Max sback 2mm 106.5 100.7 Dec by 5.8
Max sback 3mm 129.3 117.8 Dec by 11.5

Max – Maxillary, Adv – Advancement, Sback – Setback, Inc – Increase, Dec – Decrease, mm – millimeter, op- operative.

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