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. Author manuscript; available in PMC: 2013 Feb 5.
Published in final edited form as: Am J Orthod Dentofacial Orthop. 2007 Sep;132(3):332–339. doi: 10.1016/j.ajodo.2005.08.043

Table V.

Clinical significance of linear regression equations in test sample of 40 subjects

Arch Sex and ethnicity Overestimated
(%)
Underestimated
(%)
Maxilla Male white 30 0
Male black 10 20
Female white 10 10
Female white 20 30
Mandible Male white 30 0
Male black 20 10
Female white 10 20
Female black 10 30

Overestimated or underestimated defined as > 2 mm per arch.