Table 4.

Air space/DURAN mouthguard measurements: Average values of maximum amplitudes (mean of 5 measurements per mouthguard and angle) of the pivoted tooth (reflection foil) deflection obtained during measurements with energy blows from 20°–120° pendulum elongation angles.

Pendulum Elongation Angle	Pivoted Tooth Deflection (µm) During Pendulum Strikes of 10 Mouthguard Samples (n = 10)
20°	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2
40°	0.4	0.3	0.4	0.3	0.3	0.4	0.3	0.3	0.3	0.3
60°	0.5	0.5	0.5	0.5	0.5	0.5	0.5	0.4	0.4	0.4
75°	0.6	0.6	1.1	0.8	0.7	0.7	0.6	0.5	0.4	0.5
90°	0.9	0.8	0.7	0.9	0.8	8.0	0.7	1.2	0.5	0.7
120°	6.2	2.1	1.8	1.9	2.2	2.0	1.1	2.5	0.7	0.8