Fixed orthodontic appliances

Fixed orthodontic appliances are made of different materials. They can be made of nickel and titanium alloys (so-called metal). They have mechanical properties brought to perfection, the effect and reliability are at the highest level and orthodontists prefer to work with them. Their only disadvantage is their poor aesthetic effect.

Fixed appliances can also be made from some aesthetic materials such as acrylate, plastics, ceramics, polycrystalline aluminum oxide, polycarbonate with fiberglass.

These appliances generally have a good aesthetic effect, but they have some mechanical and retention properties in the shade, so they often crack and separate poorly from the teeth.

Therefore, they are avoided in all those cases where is required the use of higher forces for greater movement of the teeth. They are completely contraindicated in neglected patients with poor oral hygiene.

Patients with fixed orthodontic devices should stick to some basic advices in order for the therapy to run smoothly and be effective as soon as possible.

Namely, patients must maintain perfect oral hygiene, which implies tooth washing after each meal.

In cleaning the teeth, interdental brush and dental floss are recommended as well as the occasional use of some mouthwash solutions. Nutrition is also specific. Foods that are hard to chew or bite can be very damaging (such as hazelnuts, almonds and similar) and should be avoided. Chewing gum, caramel, sticky candy, lollipops are forbidden.

A fixed orthodontic device is set by a dentist in the office, attaching buccal tubes and bands or the rings on the teeth. Patients are fully accustomed to the presence of the appliance in the mouth within a period of about ten days.

After this therapy is completed, these devices are followed by the last but very important phase: retention, or maintaining the results achieved. At this stage, the patient wears some of the retention apparatus (prosthesis, foil, fixed retainer ..) in order to stabilize the results obtained in the previous, active phase of treatment. This phase usually lasts for as long as the therapy with a fixed device lasted, but in time the wearing of the retention device gradually shortens.


Word of doctor

PhD Milica Čelebić

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