Although the differences among pressure groups did not reach statistical significance, a clear trend was observed, with acoustic pressures of 300, 400, and 600 kPa (corresponding to stresses of 0.05 ± 0.04, 0.15 ± 0.02, and 0.45 ± 0.12 dyn/cm 2 , respectively) inducing deflections of 65.21 ± 9.10, 70.30 ± 15.40, and 83.20 ± 10.70°, respectively ( p > 0.05; Figure A).
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