| 摘要 |
A mandible repositioning appliance formed by an upper bite block and a lower bite block interconnected by an adjustable mechanism including a posterior section connected to the rear portion of the upper bite block and an anterio r section connected to the front portion of the lower bite block and an adjustable interconnection between the anterior and posterior sections. Preferably the adjustable interconnection will include a double thread element rotation of which changes the relative positions of the posterior and interior sections axiall y of the appliance and abutments to define each incremental rotation of the element. The comfort of the wearer is further improved by using a heat sensitive material in the tooth retention sections and by permitting limited relative lateral movement between the bite blocks.
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