Any employee at the institutions under the control of the departments of mental health, developmental services and public health whose uniform or other clothing, eyeglasses, dentures and the like are destroyed or damaged because of the violence of any patient under his care as determined by the appointing authority of said employee, shall have the same replaced or repaired by the department employing said employee free of any charge to such employee.
Mass. Gen. Laws ch. 30, § 9C