Orthodontic Disorders and Types of Bites − Louisville KY

Dr. Ray explains pediatric orthodontic disorders including crossbite, openbite, overbite & underbite.
Crossbite
Openbite
Overbite
Overjet
Underbite

Call Great Grins For Kids Phone Number Great Grins For Kids Phone Number 502-231-1418 with any questions or to schedule an appointment with Dr. Ray.

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Crossbite

Crossbite can occur in the front and/or the sides of the mouth: One or more upper teeth bite on the inside of the lower teeth. This can occur with a single tooth or multiple teeth. Early correction of crossbite is recommended.

Crossbite should be corrected because it can:

  • cause premature wear of the teeth
  • cause gum disease including bone loss
  • cause asymmetrical development of the jaws
  • cause dysfunctional chewing patterns
  • make your smile less attractive
A case example showing misaligned teeth caused by a crossbite

Before

A case example of corrected teeth after fixing a crossbite

After

A second case example showing misaligned teeth caused by a crossbite

Before

A second case example of corrected teeth after fixing a crossbite

After

How can a crossbite be orthodontically corrected?

If there is a single tooth crossbite, the tooth can be moved with braces into the correct position. In some cases, a retainer can be utilized. With multiple teeth in crossbite, the arch needs to be expanded with braces or other intra-oral appliances.

Openbite

A side view diagram showing what an open bite looks like

Openbite is an insufficient vertical overlap of the teeth. It is caused by oral habits such as tongue thrust, digit sucking or when the jaws don’t grow evenly. Timing of treatment is critical to the overall success of the therapy.

How can an openbite be orthodontically corrected?

Openbite can be corrected through growth modification of the jaws using braces, extrusion of the anterior teeth and in some cases surgical correction of the jaws. Also breaking oral habits, such as digit sucking, will facilitate the correction of an openbite.

A case example of a jaw with an open bite

Before

A case example of a jaw after correcting an open bite

After

For more information about Orthodontic Disorders or to schedule a consultation with Dr. Ray, call our office in Louisville, KY at Great Grins For Kids Phone Number 502-231-1418.

Overbite

A side view illustration showing what an overbite looks like

Class II Overbite

Overbite occurs when the upper front teeth protrude over the lower front teeth. Generally there is no contact between the upper and lower front teeth. Often you cannot see the lower incisors. Overbite is due to a disproportionate amount of eruption of front teeth or over development of the bone that supports the teeth and a front to back discrepancy in the growth of the upper or lower jaw (Class II Relationship). Overbite is also known as a deep bite.

Overbite should be corrected because it can:

  • cause improper functioning of your front teeth
  • result in the lower front teeth biting into the gum tissue of the upper palate leading to tissue problems
  • unusual wear of the lower front teeth
  • cause jaw or joint problems
  • make your smile less attractive
A case example of a mouth with an overbite problem

Before

A case example of a mouth after correcting an overbite

After

How can an overbite be orthodontically corrected?

Overbite can be corrected through moving the front teeth up and/or bringing the back teeth together, which will “open” the bite so the teeth are properly aligned and the deep bite is eliminated.

 

Overjet

A side view diagram showing what an overjet looks like

Class II Overjet

Overjet is also known as protrusion. In this case, the lower teeth are too far behind the upper front teeth. This can be caused by an improper alignment of the molars (Class II Relationship), a skeletal imbalance of the upper and lower jaw; flared upper incisors, missing lower teeth or a combination of all the above. In addition, oral habits such as thumb sucking, finger sucking or tongue thrusting can exacerbate the condition.

Overjet should be corrected because it can:

  • prevent proper functioning of the front teeth
  • lead to premature wear
  • make your smile less attractive
A case example of a jaw with an overjet bite problem

Before

A case example of a jaw after correcting an overjet

After

How can overjet be orthodontically corrected?

Overjet can be corrected through growth modification using a functional appliance and/or elastics to reduce the skeletal imbalance or extraction of teeth.

Underbite

Class III Underbite

A side view illustration showing what an underbite looks like

The lower teeth protrude past the front teeth. An underbite is usually caused by undergrowth of the upper jaw, overgrowth of the lower jaw, or a combination of the two (Class III Relationship). Underbite can also be caused by flared upper incisors, missing lower teeth or a combination of all the above. Early correction of underbite is recommended.

Underbite should be corrected because it can:

  • prevent proper functioning of the front teeth or molars which can lead to premature wear of the teeth
  • cause chewing or eating problems
  • cause jaw or joint problems
  • make your smile less attractive
A case study example of a jaw with an underbite problem

Before

A case study example of a jaw after correcting an underbite

After

How can an underbite be orthodontically corrected?

Underbite can be corrected through growth modification of the jaws, extraction of teeth and in some cases, surgical correction of the jaws.

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