Ball and socket ERA white attachment P value Mean Sd. Mean Sd. Vertical loaded 38.8889 5.46453 11.1111 3.33333 0.000* Oblique loaded 172.2222 6.18017 129.4444 17.03754 0.000*

Table 1: Mean, standard deviation (SD) values and results of Independent t test for comparison between stresses induced on loaded sides using ball versus ERA white attachment during both vertical and oblique loading.