| 摘要 |
<p>An orthodontic appliance (10) is provided which has upper and lower tooth receiving troughs which include sockets (20) for the canines and posterior teeth, the sockets being laterally spaced at a distance greater than the normal lateral spacing of the patient's posterior teeth, and a mesio-distal dimension of the canine sockets is greater than the normal mesio-distal dimension of the patient's canines to provide expansion in a deciduous or mixed dentition. <IMAGE></p> |
