Unilateral cross-bite in the anterior segment frequently represents an exaggerated midline shift. Using a bite splint deprograms the engrams that posture the jaw. In addition to revealing a less distorted midline, splint therapy commonly results in a more cusp-to-cusp tip orientation at the canine.

 

Uncorrected, the cross-bite appears unilateral. This is due to a functional shift of the lower jaw.
Uncorrected, the cross-bite appears unilateral. This is due to a functional shift of the lower jaw.

 

After splint releases posturing, unilateral cross-bite now appears as bilateral end-to-end bite at canines & posterior teeth.
After splint releases posturing, unilateral cross-bite now appears as bilateral end-to-end bite at canines & posterior teeth.

 

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