A removable dental appliance (100; 101; 150; 160; 500; 700; 800) configured to reposition one or more teeth of a patient, the removable dental appliance comprising an appliance body (102; 502; 702; 802) forming an active band (112; 512; 712; 812) configured to surround two or more teeth of the patient, wherein the active band (112; 512; 712; 812) includes: a facial portion (106; 506; 706; 806) configured to register with facial sides of the surrounded teeth; and a lingual portion (104; 504; 704; 804) configured to register with lingual sides of the surrounded teeth, wherein the facial portion (106; 506; 706; 806) of the appliance body and the lingual portion (104; 504; 704; 804) of the appliance body form receptacles (108; 408), wherein each receptacle (108; 408) is configured to accept at least one of the surrounded teeth, wherein the receptacles (108; 408) separate the facial portion (106; 506; 706; 806) from the lingual portion (104; 504; 704; 804) at least along an anterior portion of the appliance body (102; 502; 702; 802), wherein the active band (112; 512; 712; 812) is configured such that occlusal surfaces of the surrounded teeth of the patient are exposed when the removable dental appliance (100; 101; 150; 160; 500; 700; 800) is worn by the patient with the surrounded teeth positioned within the active band (112; 512; 712; 812) of the appliance body (102; 502; 702; 802), wherein the removable dental appliance further comprises anchors (120; 520; 720; 820) extending from each side of the appliance body (102; 502; 702; 802), wherein each of the anchors (120; 520; 720; 820) includes at least one anchor band configured to accept a tooth mesial or distal from the surrounded teeth, wherein proximal portions (726; 826) of the anchors (120; 520; 720; 820) connect the lingual portion (104; 504; 704; 804) and the facial portion (106; 506; 706; 806) of the active band (112; 512; 712; 812) and central portions (724; 824) of the anchors (120; 520; 720; 820) are arranged to extend on a lingual side of teeth and bent to follow a gumline of the patient. a facial portion (106; 506; 706; 806) configured to register with facial sides of the surrounded teeth; and a lingual portion (104; 504; 704; 804) configured to register with lingual sides of the surrounded teeth, wherein the facial portion (106; 506; 706; 806) of the appliance body and the lingual portion (104; 504; 704; 804) of the appliance body form receptacles (108; 408), wherein each receptacle (108; 408) is configured to accept at least one of the surrounded teeth, wherein the receptacles (108; 408) separate the facial portion (106; 506; 706; 806) from the lingual portion (104; 504; 704; 804) at least along an anterior portion of the appliance body (102; 502; 702; 802), wherein the active band (112; 512; 712; 812) is configured such that occlusal surfaces of the surrounded teeth of the patient are exposed when the removable dental appliance (100; 101; 150; 160; 500; 700; 800) is worn by the patient with the surrounded teeth positioned within the active band (112; 512; 712; 812) of the appliance body (102; 502; 702; 802), wherein the removable dental appliance further comprises anchors (120; 520; 720; 820) extending from each side of the appliance body (102; 502; 702; 802), wherein each of the anchors (120; 520; 720; 820) includes at least one anchor band configured to accept a tooth mesial or distal from the surrounded teeth, wherein proximal portions (726; 826) of the anchors (120; 520; 720; 820) connect the lingual portion (104; 504; 704; 804) and the facial portion (106; 506; 706; 806) of the active band (112; 512; 712; 812) and central portions (724; 824) of the anchors (120; 520; 720; 820) are arranged to extend on a lingual side of teeth and bent to follow a gumline of the patient. <EOS>