Tensioning system for an orthodontic outer brace

Details Tensioning system for an orthodontic outer brace Tensioning system for an orthodontic outer brace

1997-06-27

1999-06-29

Wilson, John J.

Dentistry

Orthodontics

Including extra-oral force transmitting means

A61C 300

Patent

active

059159618

ABSTRACT:
A tensioning system for an orthodontic outer brace includes a resilient element and coupler for transmitting a tensile force exerted by the resilient element to the outer brace. The tensioning system involves an arc-shaped guide path, along which the resilient element is freely movable. The resilient element preferably has a spring constant which decreases or is zero on further extension after a specific spring force or extension is reached. The resilient element is preferably a helical spring.

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