Average tooth weight before and after test. Results of the two different grinding systems

Type of testAverage tooth weight before test ± SD (g)Average tooth weight after test ± SD (g)Lost tooth weight ± SD (%)
High-speed1.20 ± 0.530.56 ± 0.2953.50 ± 9.89
Low-speed1.44 ± 0.621.32 ± 0.589.16 ± 2.34

SD: standard deviation