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How Do Braces Correct Teeth Deformities?

May 18, 2020 2:51 pm Published by Leave your thoughts

Braces are dental appliances that are used to correct dental deformities. They are the most commonly used orthodontic appliance across the world. Braces work on the principle of applying pressure on the teeth which helps in shifting the teeth to desired direction thereby correcting deformities in the teeth. There are two types of braces – removable and fixed, which are used according to the needs of the patient.

Here are some common teeth deformities that dental braces can correct.

Crowding of teeth

Crowding refers to the space between teeth. It is a condition where the space on the jaw is not sufficient for all teeth to be accommodated and therefore the teeth look crowded together and does not give a beautiful smile because teeth are not in a straight line, rather they are form a crooked line. The reasons for this condition can be timing of eruption of permanent teeth. If they erupt earlier than the deciduous teeth are lost, then they fight for space with temporary teeth and appear crowded. Even when they appear long after temporary teeth are lost, they may still shift a little and then the next tooth has little space.

Faulty Bite

Faulty bite means that there is misalignment between upper and lower set of teeth. Ideally the upper set of teeth should align and rest slightly in front and on top of the lower set of teeth. It is important to have a correct bite for the food to be bitten properly in the front teeth and to chew between molars.

Braces can correct misalignment of teeth in overbite, underbite and crossbite. In overbite the upper teeth fall in front of lower teeth and this condition makes upper teeth to protrude. In underbite the lower jaw protrude over the upper jaw and the lower teeth are seen prominently. Crossbite results due to irregular occlusal surface of the tooth. In this condition one of the teeth is tilted towards inner cheek or tongue. This condition can occur on both sides of the jaws. Open bite is a condition where front teeth are forced outwards. Because of this condition, the upper and lower teeth do not meet at all even with mouth closed.

Wrong spacing of teeth

The exact opposite of crowding is spacing. In this condition the space between teeth is too much and it creates gaps between teeth. The reason for gaps or space between teeth can be many. Protruding teeth, or abnormal gum tissues can create spacing problems.

How do braces work?

Braces work mechanically to move teeth in the desired direction with the help of a few components that are used to make braces effectively correct the positions of teeth on the jaws.

Brackets

These are very small squares about size of the teeth which are bonded to the surface of the teeth with a dental bonding material specially created for this purpose. The brackets are working as handles which holds the arch wires that are responsible for moving the teeth. Brackets which attach the wires (which keep the teeth in place) are available in a variety of material like metal, ceramics or plastic. The user can choose the metal for braces according to his need and budget. Metal braces are more noticeable and very strong and work best for complex bite problems. Ceramic braces are clear and coloured to resemble tooth enamel work fine but are brittle and weaker than metal braces. Inside braces are the kind that attaches inside of the teeth which are not visible so as the teeth and mouth look normal, but the braces are doing their work inside, hidden from view.

Bands

The bands used for braces are orthodontic bands. They can be steel, plastic or tooth coloured material which wrap around teeth to provide an anchor for the brackets. These are important but many patients do not have them. Some patients have only brackets but no bands.

Separators

These are spacers that are used to create space between teeth before the bands are placed.

Arch wires

These are the part of braces which are attached to the brackets to guide the movement of teeth in the right direction. They can be clear or metallic.

Ties

These are small rubber bands or fine wires that is used to fasten the wire to the brackets.

Buccal

Buccal is tube which is a part that holds the end of arch wire on last tooth securely so that it is kept in place.

Ligatures

These are tiny rubber bands used to hold arch wires to the brackets.

Springs

These are used to handle the spaces between teeth. They push, pull, open, or close spaces according to need.

Facebow headgear tubes

These are wire gadgets to move upper molars in back direction to correct discrepancies of bite.

Rubber bands

These bands are attached to the brackets and are used to apply pressure on teeth to move in desired direction.

The braces work on the principle that teeth move to the direction they find space in. When a little pressure is applied, the teeth start moving in the direction of the pressure. The dentists create room for the teeth to move and then slowly pressure is applied through wires and bands in that direction. Depending on the distance the teeth has to cover to be able to go to that place; the braces will have to be kept in place in the mouth of the patient.

After the braces are removed, the person has to wear retainers for some time, usually 6 months, to keep the moved teeth in place. After six months the retainers may have to be worn during sleep for some more time.

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This post was written by Letooth

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