An imaginary plane formed by the incisal edges of the anterior teeth and the occlusal cusps of the posteriorteeth. The plane represents the curvature formed by these edges.
The surface of wax occlusal rims used for removable partial and complete dentures that simulates the incisal edges of the anterior teeth and the occlusal cusps of the posterior teeth.
A flat or curved guide for making dental prostheses that is used to position the incisal edges of the anterior teeth and the occlusal cusps of the posterior teeth.
An imaginary plane extending from the incisal edge of the incisors along the tips of the cusps of the posterior teeth to contact the cranium. Although not a true plane, it represents the mean of the curvature of the occlusal surface.