About Anna Gibilaro
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London W1G 8YL
Website last up-dated January 2019
A Quadhelix is a fixed expander. It is used to widen the upper arch by moving the upper back and side teeth through the bone into a wider arch-form.
It can be used both in adults and children and is often used at the same time as the fixed appliances although in some cases it is placed before the fixed appliances.
Quadhelix in adult male worn with his fixed appliances
Quadhelix in 8 year old child