Table 3.

Mechanical testing of the compressive displacement using the drill’s stop extension.

Unit #	Before Compression (mm)	During Compression (mm)	Difference (mm)	Signs of Breakage/Crack (Y/N)
1	73.38	73.17	0.21	N
2	73.77	73.71	0.06	N
3	74.18	73.84	0.34	N
4	73.84	73.69	0.15	N
5	73.82	73.79	0.03	N
6	73.81	73.48	0.33	N
7	74.17	73.96	0.21	N
8	74.01	73.89	0.12	N
Overall	73.87	73.69	0.18	N