Twin block exerts pressure on the teeth or mucosa?

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Multiple Choice

Twin block exerts pressure on the teeth or mucosa?

Explanation:
The twin block is a tooth-borne functional appliance that forwards the mandible by having acrylic bite blocks sit on the teeth and guide occlusion when the patient bites. The forces generated by this guidance are transmitted mainly through the teeth and their supporting structures, causing dental movements and changes in occlusal relationships. While the appliance does contact the mucosa where the blocks rest, that contact is incidental and not the primary source of force. So, the pressure from a twin block is exerted mainly on the teeth.

The twin block is a tooth-borne functional appliance that forwards the mandible by having acrylic bite blocks sit on the teeth and guide occlusion when the patient bites. The forces generated by this guidance are transmitted mainly through the teeth and their supporting structures, causing dental movements and changes in occlusal relationships. While the appliance does contact the mucosa where the blocks rest, that contact is incidental and not the primary source of force. So, the pressure from a twin block is exerted mainly on the teeth.

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