This paper analyzed the sound signal produced by TMJ of the normal and the temporomandibular joint internal derangement (TMD) patient using the theory of chaos and fractal in nonlinear dynamics.

• 利用非线性动力学的混沌与分形理论对健康人和颞下颌关节内紊乱（TMD）患者的TMJ音信号进行了分析。