required arch length


re·quired arch length

the sum of the mesiodistal widths of the permanent teeth from first permanent molar to first permanent molar.

re·quired arch length

(rĕ-kwīrd ahrch length) Sum of the mesiodistal widths of the permanent teeth from first permanent molar to first permanent molar.

re·quired arch length

(rĕ-kwīrd ahrch length) Sum of the mesiodistal widths of the permanent teeth from first permanent molar to first permanent molar.