| 摘要 |
An orthodontic appliance for closing spaces between two adjacent teeth which includes a bar of elastomeric material or an elastic element and ligature wire means or an inelastic element for securing the bar in place over the labial or buccal or lingual faces of the teeth. The ligature wire means includes ligature wire secured to one or both ends of the bar for mounting and tensioning of the elastomeric bar on adjacent teeth. The appliance may also be configured to include a pair of spaced elastomeric bars and used to correct spot malocclusion problems.
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