Why fixed braces?
Conventional fixed braces, known as train tracks, are still the most common orthodontic appliance. They are typically placed on the teeth visible (labial) surface, and they can produce reasonably accurate tooth movements.
When can I start treatment with fixed braces?
Treatment with train tracks usually starts when all or most permanent teeth have erupted; this is generally around 11-13 for girls, and 12-14 for boys, although wide variations are prevalent. On average, treatment with a fixed brace lasts around 22 months, but this can vary considerably. Active treatment with any fixed braces is always followed by retention protocol.
Are there different types of fixed braces?
It can get confusing with many types and variations of fixed braces available to patients. The excellent news is that they all perform the same function; the differences are mainly in how they look and where they are placed on the teeth. Only lingual braces (placed on the back surface of the teeth) are clinically more accurate because they are usually custom-made. Still, scientific evidence does not substantiate all other claims by various brands or manufacturers of conventional fixed braces about faster or superior results. All types of fixed braces are composed of wires and brackets. As the teeth get straighter, larger and stiffer wires are inserted, which patients call ‘braces tightening’.
Metal fixed braces
Made of stainless steel, they are very durable and cost-effective; hence they are the most used in children and adolescents. They can also be fun by adding coloured elastic “O” rings which can be changed on every adjustment visit.
Instead of stainless steel, the brackets are made of ceramic material, which renders them more discreet than metal braces. With ceramic braces, the wires are often ligated with clear elastic “O” rings. These rings can occasionally stain and discolour, which will compromise the appearance. Alternatively, steel ligatures can be used which do not stain. Finally, ceramic brackets are slightly more challenging to remove than metal brackets, but this is unlikely to pose any problems.
Instead of ligating the wires with elastic “O” rings, self-ligating brackets utilise an integrated clip mechanism, which allows the sliding of the wire with less friction. Still, there is no evidence that this influences the speed of tooth movement compared to conventional fixed braces ligated with elastic “O” rings. I do not routinely use self-ligating brackets.
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