A removable dental appliance comprising: an appliance body configured to at least partially surround a plurality of teeth of a dental arch of a patient, wherein the appliance body comprises: a first shell shaped to receive a first tooth of the plurality of teeth; a second shell shaped to receive a second tooth of the plurality of teeth; a third shell shaped to receive a third tooth of the plurality of teeth; and one or more jumpers (108, 110), the one or more jumpers including at least a first jumper (110I, 110J) comprising an elongated structure (113I, 115I) having a first end (116I, 116J) and a second end (118I, 118J), wherein the first end of the first jumper is coupled to the first shell and the second end of the first jumper is coupled to the second shell, and a second jumper (110K, 110L) comprising an elongated structure having a first end (116K, 116L) coupled to the elongated structure of the first jumper (110I, 110J) and a second end (118K, 118L) coupled to the third shell, wherein the first and second jumpers (110I, 110J, 110K, 110L) are configured to apply a cascading force between the shells (104G, 104H, 104I) to cause a movement of at least one of the first, second, and third teeth (103G, 103H, 103I) toward a desired position when the removable dental appliance is worn by the patient. an appliance body configured to at least partially surround a plurality of teeth of a dental arch of a patient, wherein the appliance body comprises: a first shell shaped to receive a first tooth of the plurality of teeth; a second shell shaped to receive a second tooth of the plurality of teeth; a third shell shaped to receive a third tooth of the plurality of teeth; and one or more jumpers (108, 110), the one or more jumpers including at least a first jumper (110I, 110J) comprising an elongated structure (113I, 115I) having a first end (116I, 116J) and a second end (118I, 118J), wherein the first end of the first jumper is coupled to the first shell and the second end of the first jumper is coupled to the second shell, and a second jumper (110K, 110L) comprising an elongated structure having a first end (116K, 116L) coupled to the elongated structure of the first jumper (110I, 110J) and a second end (118K, 118L) coupled to the third shell, a first shell shaped to receive a first tooth of the plurality of teeth; a second shell shaped to receive a second tooth of the plurality of teeth; a third shell shaped to receive a third tooth of the plurality of teeth; and one or more jumpers (108, 110), the one or more jumpers including at least a first jumper (110I, 110J) comprising an elongated structure (113I, 115I) having a first end (116I, 116J) and a second end (118I, 118J), wherein the first end of the first jumper is coupled to the first shell and the second end of the first jumper is coupled to the second shell, and a second jumper (110K, 110L) comprising an elongated structure having a first end (116K, 116L) coupled to the elongated structure of the first jumper (110I, 110J) and a second end (118K, 118L) coupled to the third shell, wherein the first and second jumpers (110I, 110J, 110K, 110L) are configured to apply a cascading force between the shells (104G, 104H, 104I) to cause a movement of at least one of the first, second, and third teeth (103G, 103H, 103I) toward a desired position when the removable dental appliance is worn by the patient.