>>Class III Underbite
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
>>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.
CLASSIFICATION OF THE FACE
| It is not sufficient to categorize orthodontic malocclusions on the basis of a classification of the teeth alone. The relationship with other craniofacial structures must also be taken into consideration. |
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Mandibular Dental Protrusion - teeth
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| The lower teeth are too far in front of the upper teeth. This malocclusion is treated with orthodontic procedures which may require the extraction of teeth due to the dental protrusion. |
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Mandibular Prognathism - jaws
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| The lower jaw bone has outgrown the upper jaw. This malocclusion is more difficult to treat due to the skeletal disharmony and may require orthognathic surgery in conjunction with orthodontic treatment. |
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