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31Mar

Twin Blocks

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What is a twin block orthodontic appliance?

A Twin Block appliance is made up of two removable plates that clip onto the upper and lower teeth. Whilst being worn, the appliance will hold the jaws slightly apart and the lower jaw in an advanced (forward) position. It is designed to help achieve the full growth potential of the lower jaw and to correct jaw relationship problems such as size difference and protrusion. Your brace is called a twin block appliance. It holds your lower jaw forwards so that your face muscles are pulling back gently on your upper front teeth. Keep your lips together as much as possible while you wear your braces – this helps them to work to correct your teeth.

When is a twin block orthodontic appliance recommended ?

Your dentist usually recommends that your child starts brace treatment when they are around the age of 10 and above and have lost all of their baby teeth. In some cases, your child may be required to start their treatment at an earlier age to help align their growing jaws, this is known as an interceptive treatment.

The most obvious reason why braces are recommended so early is that your child will gain perfectly straight teeth that will last a lifetime – as long as they wear their retainer. Straight teeth aren’t just aesthetically pleasing but may also help improve your child’s confidence.

How much do you need to wear the Twin Block?

Twin Block appliances are generally worn full time (24/7) for between 9 -12 months. Compliant wear and rate of jaw growth are the main factors in determining how long the appliance will need to be worn.

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