labiolingual fixed orthodontic appliance /lā′bē·ōling″- gwəl/ [L, labium, lip, lingua, tongue] , an appliance for correcting or improving malocclusion that is anchored to the maxillary and mandibular first permanent molars. The appliance has labial arches that fit into horizontal buccal tubes attached to anchor bands and lingual arches that are fastened to the lingual side of the anchor bands.
