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Classification of malocclusions, Part 1

The teeth have to fit together in a very specific way such that there is a proper relationship between the front and the back when the mouth is closed. When there is a problem with closing the mouth, there is said to be a dental malocclusion, that is to say, an improper bite.

If you have a malocclusion, you must see an orthodontist to correct your dental problems. Failure to correct abnormalities may lead to more problems in the future.

Dental malocclusion: classification

1. ACLASS Ibite means that the upper canine (eye tooth) bites 3-4 mm in front of the lower canine (represented by the black lines). This is a proper bite. Note how the teeth interlock perfectly like the teeth of a zipper. (One upper tooth bites over two lower teeth.)

2. In aCLASS IIrelationship, the lower jaw bites further back than it is supposed to bite. It can be seen that the lower black line that indicates the lower canine is not 3 mm in front of the upper black line, but just below it or well behind it. This is an example of a severe CLASS II relationship. Depending on the patient’s age and other characteristics, it can be corrected with brackets, orthopaedic mandibular advancement, removal of teeth or orthognathic surgery.

It can be seen that in a CLASS II relationship the teeth do not fit together like the teeth of a zipper. Here the bite is unstable and traumatic. (One upper tooth bites over one lower tooth and not two lower teeth, as it is supposed to do.)

clase II maloclusión dentalmaloclusiones dentales tiposmaloclusion dental: clasificacion

3. In a CLASSIII relationship, the lower jaw bites in front of where it is supposed to bite. It can be seen that the lower black line that indicates the lower canine is more than 3 mm in front of the upper black line. Depending on the patient’s age and other characteristics, it can be corrected with brackets, orthopaedic maxillary advancement, removal of teeth or orthognathic surgery.

clase III maloclusion dentalmaloclusiones dentales tratamientomaloclusiones: clasificación y tipos

Click here to see resolved cases.

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By |2018-07-31T14:39:51+00:0015-03-2012|Blog, Orthodontics, Patients|

About the Author:

Soy odontólogo y máster en ortodoncia por la UB. Voy más allá de una sonrisa estética, me apasiona el buen funcionamiento y armonía de todo el sistema masticatorio hasta el último detalle y trabajo cada día por conseguir la excelencia en mis tratamientos, en constante formación, innovando en técnicas y siempre rodeado de un gran equipo de personas, que al igual que yo, tiene claro que en Ortodoncia Friedländer tratamos personas, no solo dientes.

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