Treatment of class III MALOCCLUSION (Karen McDonagh)

Even traditional orthodontics for third class malocclusion, concentrated on the lower jaw as the primary cause of the deviation, recent studies have suggested that 63% of skeletal class III malocclusions View maxillary retrusion. Most patients tend to present the maxillary hypoplasia associated with a normal or mildly prognathic mandible.

Unfortunately, I see too many young patients, for a second opinion, which is told there is no orthodontist can do but wait until their facial growth is completed and then work them for orthognathic surgery. Most surgical procedures to correct class malocclusion means even maxillary advancement! This suggests that the problem was never excessive mandibular growth, but rather a lack of development of the upper jaw. Such problems can be caused by nasal airway obstruction, when the child was younger.

Orthodontic treatment of malocclusion class can be defined in the following categories:

1. Growth modification maxillary expansion and drawn out face mask therapy

2. Growth variation means a Chin Cup for restraining mandibular growth, or

3. wait until growth has thus ceased to commit a patient to a dentist camouflage treatment or orthognathic surgery.

In my Orthodontic practice given the children show early signs of a class III malocclusion priority for treatment. My current treatment strategy involves lengthy and the development of the upper jaw, but I do not use Chin cups as I feel that they have a negative effect on the patient's temporomandibular joints.

The controversy currently exists that the optimal time to begin class on orthodontics. Takada examined maxillary prolonged therapy and reported that the time frame for puberty and middle of puberty is best, the natural growth of the upper jaw (stage C2-C3).

PATIENT TREATMENT GOALS FOR CLASS:

If we treat the patient as early in the growth cycle as possible, i.e. as soon as class III problems can be diagnosed, the following treatment goals:

1. reduce the growth in the size of the lower jaw.

2. increase the size of the upper jaw to its maximum genetic potential, and

3. Move the upper jaw until its maximum genetic potential.

A cephalometric analysis is important to confirm the diagnosis of class III malocclusion and draft either a surgical or non-surgical, treatment plan.

I personally use Jefferson cephalometric analysis as this fits perfectly to the correct diagnosis of a class III patient. In the analysis of Jefferson, the size of the lower jaw and mandible position simply related to the length and position of the anterior skull base. The size of the upper jaw and the position of the upper jaw, can also be related to size and position of the anterior skull base.

Jefferson cephalometric analysis provides an easy visual means to identify the jaw/mandibular inequalities

Karen McDonagh is a proud contributing author and writes articles on several subjects including dental care. She is passionate about dental education Professional and always looking for better ways to educate people.
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