5. The acrylic also can be interposed between the teeth,
covering the occlusal surfaces of the upper molars, to prevent eruption of these teeth and enhance anchorage of the plate. This is especially beneficial in open-bite problems.
6. The bite-blocking here can be 3 to 4 mm, which is usually beyond the postural vertical dimension in openbite patients.
7.
In such cases a stretch reflex is elicited from the closing muscles that enhances the depressing action on the buccal segments and helps close the anterior open bite.
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