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It can be simpliflied into 3 popularly known as JACKSON’S TRIAD

FUNCTIONAL EFFICIENCY

STRUCTURAL BALANCE

AESTHETIC HARMONY

The orthodontist should try to fulfill this Jackson’s triad by his/her treatment.

FUNCTIONAL EFFICIENCY : Firstly the orthodontist must try to improve the function of the oro-facial apparatus .

Many malocclusions affect the function of the stomatognathic system

STRUCTURAL BALANCE : The oro-facial region has 3 systems .

Stable best orthodontic treatment is achieved by maintaining balance between the 3 given below :

1. Dento-alveolar system
2. Skeletal tissue
3. Soft tissue including musculature .

AESTHETIC HARMONY :

1. Most common reason to turn to orthodontist is to improve the appearance of the teeth and face.
2. Aesthetics affect individual’s self confidence .
3. Affects success in society .
4. Indispensable part of orthodontic treatment .

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Article Reference taken from S.I.BHALAJHI , 7th Edition