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Related to arch form: atonality
the shape and contour of the dental arch, or of an orthodontic wire formed to the shape of that arch.
The shape of the dental arch when viewed in the horizontal plane.
See also: form
arch form(ahrch fōrm)
Shape and contour of a dental arch (e.g., ovoid, tapering, trapezoidal, U-shaped, square) or of an orthodontic wire formed to the shape of that arch.