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a fixed or removable device used to displace a single tooth, an arch segment, or an entire arch toward an improved relationship.
Etymology: ME, guiden, to guard; L, planum, level ground
1 a part of an orthodontic appliance that has an established inclined plane for changing the occlusal relation of the maxillary and mandibular teeth and for permitting their movement to normal positions.
2 a plane that is developed on the occlusal surfaces of occlusion rims for positioning the mandible in centric relation.
3 two or more parallel vertical surfaces of abutment teeth shaped to direct the path of placement and removal of a partial denture.
guide plane(gīd plān)
A fixed or removable device used to displace a single tooth, an arch segment, or an entire arch toward an improved relationship.