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Orthodontics

Orthodontics

Orthodontics?

What is Orthodontics?

Orthodontics is the science of straightening crooked teeth. It is also commonly known as braces.

The causes of crooked teeth or mal-alignment of teeth are numerous. Amongst them are:

  • Tooth-size discrepancy ie insufficient jaw space for all the teeth to erupt into good alignment.
  • Early loss of teeth. The resulting space allows erupting permanent teeth to drift into them.
  • Excessive or deficient jaw bones. This is a growth or developmental problem; genetic in origin.
  • Parafunctional habits such as thumb sucking and tongue thrusting.
  • Cleft lip/ palate and craniofacial syndromes. This is mal-alignment as a result of severe facial deformities.

Why treat mal-alignment of teeth?

The obvious reason is good looks. However, the other important reason is good functions such as speaking and chewing. Well-aligned teeth allows for easy maintenance and consequent good health because misaligned teeth tend to trap food and debris.

Methods of treatment

The main method is with brackets , commonly known as braces. These are metallic structures that are cemented onto the teeth surfaces. Using an arch wire, progressive light forces is applied to move the teeth in a very controlled direction. Brackets are usually made of metal. However, there are tooth-coloured ceramic brackets that are inconspicuous and lingual brackets that are hidden on the inner surface of the teeth, rendering them “invisible”.

Advances in clinical evidence and technology has generated a number of proprietary brackets. One of the them that is replacing “traditional” brackets is called Damontm . This system utilises very light force to align teeth. As for lingual braces, indivualised brackets are customised in the InCognitotm system. These systems requires orthodontists to be certified before they are allowed to use them.

Other techniques or methods that can align teeth are:

  • Removable appliances. These are plastic plates that can be removed from the teeth. Wires are incorporated onto the plates to move teeth.
  • Growth modification. Treatment that is carried out early, before puberty to either lengthen or shorten the jaw bones.

When can orthodontics start?

The optimal age to commence braces is when all the permanent teeth have erupted. This is usually during puberty, ranging from age 11 to 13 years old. However, an assessment before this age is appropriate to rule out other minor treatment that may be required earlier, such as when there is trapping of a single tooth or when the lower teeth is biting on the palate. The recommended age for this assessment is when the child is 7 years old.

For an adult who requires braces, there is no age limit as long as there is no medical problem.

Clinical Assessment

Before treatment can proceed, a proper diagnosis must be made with clinical examination, digital x-rays and study models. A treatment plan with the final result in mind must be formulated and presented to you. This may include the need for extraction of some teeth and occasionally oral surgery or jaw surgery.