Retention of the posts can be reduced by increasing the cone angle. They are more morphologically adoptable. That’s why the stress on a tooth’s root is lower during the process ofdental filling.

K1 1,05-0,70

K2 1,20-0,80

K3 1,35-0,85

K4 1,50-0,90

K5 1,65-0,95

K6 1,80-1,00