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Early Orthodontic
On 2011年01月22日 by 佚名 Resource:互联网 Hits:

Introducd:  Early intervention, which takes advantage of facial growth and tooth eruption, can lessen the severity of a problem, and it frequently makes the completion of treatment at a later age less 

 

Early intervention, which takes advantage of facial growth and tooth eruption, can lessen the severity of a
problem, and it frequently makes the completion of treatment at a later age less time-consuming and less
expensive. Whether or not an orthodontic problem is detected, a child should visit an orthodontist for a
checkup no later than the age of 7.  This may surprise you because orthodontic treatment is usually
associated with adolescence.  Although treatment will not necessarily begin at this early age, an examination
is important to ensure maximum dental health for your child.

An early examination allows the orthodontic specialist to determine how and when a child’s particular
problem should be treated for maximum improvement, requiring the least amount of time and providing the
greatest benefit.  With some patients, early treatment achieves results that are unattainable once the face
and jaws have finished growing.

Early intervention, which takes advantage of facial growth and tooth eruption, can lessen the severity of a
problem, and it frequently makes the completion of treatment at a later age less time-consuming and less
expensive.

Interceptive treatment may be beneficial in:

* Avoiding fracture of loss of protruding teeth
* Assuring that the jaws and teeth meet properly during chewing and swallowing
* Eliminating adverse habits such as thumb-finger sucking, tongue thrusting and lip habits
* Correcting early alignment of teeth
* Enhancing proper speech development
* Evaluating breathing problems that may adversely affect normal growth and jaw shape
* Correcting crossbite, tooth grinding, tooth interference and lower jaw displacement
* Coordinating the extraction of primary (baby) teeth with the family dentist and allowing for proper
eruption of permanent teeth
* Improving self image


Interceptive treatment may be beneficial in:
1. Avoiding fracture or loss of protruding teeth
2. Assuring that the jaws and teeth meet properly during chewing and swallowing
3. Eliminating adverse habits such as thumb-finger sucking, tongue thrusting and lip habits
4. Correcting early alignment of teeth
5. Enhancing proper speech development
6. Evaluating breathing problems that may adversely affect normal growth and jaw shape
7. Correcting cross bite, tooth grinding, tooth interferences and lower jaw displacement
8. Coordinating the extraction of primary (baby) teeth with the family dentist and allowing for proper             
eruption of permanent teeth
9. Improving self image


Harmful Habits

Thumb sucking
If a thumb sucking habit persists after age five, permanent deformation of the jaw and teeth can occur. A
protrusive and/or narrow upper jaw and teeth can result (large horizontal overbite, open bite or posterior cross
bite).
A simple method of habit correction can be tried at home. Just before bed time, have your child say to himself, "I
will not suck my thumb", ten times. Then have him/her place a sock on his/her thumb sucking hand and a tape
on the end so it will stay. After helping him/her once, be sure the child places the sock on his/her own. If your
child is motivated and does this for 1 week, the habit should stop.
The orthodontist can assist by placing a thumb-reminding appliance, either fixed or removable, on the patient's
upper arch. Also, appliances can be used to begin teeth and jaw correction.


Tongue-thrusting habit
A tongue thrusting habit is common in younger children since as an infant, mother's milk was obtained this way.
If the habit persists after age 10, deformation of the teeth may occur (overbite or open bite can be created). The
orthodontist can make a tongue reminder appliance or a speech therapist who is knowledgeable about tongue
thrusting should be consulted.
Adults can also have a tongue-thrusting habit which has contributed to a malocclusion or bad bite. If so, this
habit must be corrected or treatment completion will be very difficult and relapse (return to the original bad bite)
will occur.


                                                Early Treatment
.
Expansion Appliance
Expansion appliances are most effective in younger patients, usually during an early, phase I treatment. The bone,
in younger patients, is softer and more pliable, with better response and stability.
Removable expansion appliances are often used because they are more hygienic. They can be removed so that
the teeth can be thoroughly brushed. However, if the patient is unable to wear the appliance close to 24
hours/day, a fixed or cemented appliance can be used.
Unfortunately, fixed appliances make it difficult to brush and keep the teeth clean. Also, hard, sticky, crunchy,
chewy foods must be avoided.


Tooth Removal
In general, the dental profession prefers to avoid the extraction of teeth for orthodontic treatment. Less teeth are
being extracted due to crowding or inadequate space for several reasons:

1 .Early, interceptive expansion of the bone to accommodate all the permanent teeth
2. New appliances available to expand arches and move teeth to create space

In certain situations, extractions are indicated:

1.Severely impacted tooth (buried in the bone) where surgical exposure is very risky.
2.Badly decayed tooth
3.Traumatized tooth with fractured roots
4.Inadequate bone support
5.Dental midline asymmetry
6.To compensate for a jaw discrepancy and avoid surgery
7.Concern for fullness of profile

If severe crowding in a young child is present and expansion appliances are refused or would be ineffective,
extraction of primary (baby) teeth to create temporary alignment of the anterior teeth is indicated. Eventually,
bicuspid teeth are extracted so that there is enough room for the canine teeth to erupt. This is known as a serial
extraction procedure.


Space Maintainers
Space maintainers are place to "maintain" the room for the unerupted permanent tooth or teeth if the primary
(baby) teeth are lost prematurely due to decay or trauma or extracted as part of a serial extraction procedure.
Most of the time, this appliance consists of a band or bands which are cemented to the molars and a wire which
is adapted to the tongue-side of the teeth.

 

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