We have heard about open bites, but what are crossbites? It is a clinical condition where the upper and lower teeth are improperly aligned with those of the opposing arch.

What causes crossbites?

  • The most common cause of a crossbite is heredity.
  • Another cause is the jaw and the teeth size mismatch.
  • A major contributing factor to crossbites is the delayed shedding of milk teeth in children. The permanent teeth always follow the path created by the shed teeth. In cases where the milk teeth shedding is delayed, the permanent teeth often erupt either ahead or behind it.
  • In some cases, the child begins to mouth breathing due to a few reasons. While mouth breathing, inadvertently, the teeth and jaws are affected and can cause a crossbite.
jaw and the teeth size mismatch

jaw and the teeth size mismatch

  • An injury to the milk teeth or jaws can lead to the permanent teeth changing their path of eruption and leading to the development of a crossbite.
  • Crossbites can be seen in both front teeth and back teeth can be seen with just one tooth or half an arch and can be unilateral or bilateral.

What can happen with uncorrected cross bites?

A crossbite can be just dental or dental and skeletal. A crossbite that is uncorrected and very evident can be unaesthetic. In many cases, the crossbite can lead to functional problems, especially in unilateral crossbites extending up to the entire arch. Crossbites are often associated with inefficient chewing, speech defects, and subsequent jaw and TMJ problems.

Crossbites are often associated with inefficient chewing

How are crossbites corrected?

Crossbites have a myriad of causes, and thus identifying the exact cause and eliminating or correcting it is important. Your orthodontist performs a thorough evaluation using diagnostic aids like x-rays, model analysis, and scans to design your treatment plan. Crossbites are mostly always corrected using fixed orthodontics. A developing crossbite can be prevented or rectified using removable plates.

Take your child for regular checkups with your dentist. This way, a developing anomaly or defect can be identified and corrected in time.



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