Functional Braces

Functional Orthodontics

A functional appliance is a removable brace that works on the upper and lower teeth at the same time. There are a number of functional appliances that can be used. We mainly use the Twin Block appliance.

What is a Functional Brace

  • Twin Block appliances are used in the growth phase to treat an underdeveloped lower jaw. It is usually a ‘phase 1’ type appliance and is followed by fixed braces (phase 2) or a retainer.
  • The Twin Block appliances are made from acrylic using two plastic blocks on the top jaw and two on the bottom jaw. The appliance postures a patient’s lower jaw into a forward position on closing their mouth. The forces of occlusion are used as the functional mechanism to correct the malocclusion and aid lower jaw growth.
  • The Twin Block is a removable functional appliance worn full-time for 9-12 months.
  • Mainly the upper and occasionally the lower plate may include an expansion screw to widen the arch.

Get More Information

We have been providing Functional Braces to hundreds of happy clients who are enjoying a more confident smile now. Call us now to see if you are suitable for a Functional Brace.

Frequently Asked Questions

Here are some answers to commonly asked questions:

  • Wearing Guidelines – Try to wear your braces all the time. Taking them out to eat until you get used to them will not harm your treatment and your bite will still improve but treatment will be delayed.
  • Sports –It is best to take the braces out when playing sports. You can keep the brace safe by placing it in a brace box. Remember to put your name on your brace box.
  • What is an overjet? – Your top teeth should be in front of your bottom teeth by 2-4mm. This is the ideal overjet.


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Contact Us

Denton Orthodontic Centre

1 Walker Street, Denton, M34 3LH
0161 336 4075

NHS out of hours emergency number between 8am - 10pm is 0333 332 3800 Outside these hours, contact NHS on 111

8 hours ago

Denton Orthodontic Centre


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