The Use of the Finite Elements Method (FEM) to Determine the Optimal Angle of Force Application in Relation to Grooves Notched into a Zirconia Coping with the Aim of Reducing Load on a Connection with Veneering Ceramic

Figure 9

Map of tangential stresses between the metal coping and ceramic (shear stresses) depending on load orientation angle : (a) = 0°  =41 MPa, (b) = 15°  =44,4 MPa, (c) = 30°  =34,5 MPa, and (d) = 45°  =32,7 MPa.

(a)

(b)

(c)

(d)