- cusp plane
- the small imaginary plane in which buccal cusp tips and lingual cusp tips are located on posterior teeth.
Medical dictionary. 2011.
Medical dictionary. 2011.
cusp plane angle — the incline of the cusp plane in relation to the plane of occlusion … Medical dictionary
Cusp (singularity) — An ordinary cusp on the curve x3–y2=0 In the mathematical theory of singularities a cusp is a type of singular point of a curve. Cusps are local singularities in that they are not formed by self intersection points of the curve. The plane curve… … Wikipedia
Cusp form — In number theory, a branch of mathematics, a cusp form is a particular kind of modular form, distinguished in the case of modular forms for the modular group by the vanishing in the Fourier series expansion (see q expansion) Σanqn of the constant … Wikipedia
Cusp neighborhood — In mathematics, a cusp neighborhood is defined as a set of points near a cusp. Cusp neighborhood for a Riemann surface The cusp neighborhood for a hyperbolic Riemann surface can be defined in terms of its Fuchsian model. Suppose that the Fuchsian … Wikipedia
cusp angle — 1. the angle made by the slopes of a cusp of a tooth with the plane that passes through the tip of the cusp and that is perpendicular to a line bisecting the cusp, measured mesiodistally or buccolingually. 2. the angle made by the slopes of a… … Medical dictionary
Plane curve — In mathematics, a plane curve is a curve in a Euclidean plane (cf. space curve). The most frequently studied cases are smooth plane curves (including piecewise smooth plane curves), and algebraic plane curves. A smooth plane curve is a curve in a … Wikipedia
cusp height — 1. the shortest distance between the tip of a cusp of a tooth and its base plane. 2. the shortest distance between the deepest part of the central fossa of a posterior tooth and a line connecting the points of the cusps of the tooth … Medical dictionary
Cubic plane curve — A selection of cubic curves. See information page for details. Cubic curve redirects here. For information on polynomial functions of degree 3, see Cubic function. In mathematics, a cubic plane curve is a plane algebraic curve C defined by a… … Wikipedia
Upper half-plane — In mathematics, the upper half plane H is the set of complex numbers with positive imaginary part y: The term is associated with a common visualization of complex numbers with points in the plane endowed with Cartesian coordinates, with the Y… … Wikipedia
Lower half-plane — In mathematics, the lower half plane H is the set of complex numbers :mathbb{H} = {x + iy ;| y < 0; x, y in mathbb{R} } with positive imaginary part y . Other names are hyperbolic plane, Poincaré plane and Lobachevsky plane, particularly in texts … Wikipedia