twin block appliance

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A removable activator-type functional orthodontic appliance utilizing two blocks of acrylic resin with intervening expansion screws used to modify the lateral growth of the jaws to correct a malocclusion by increasing the arch width. Early treatment is effective in reducing the overjet and the severity of malocclusion.

Further Reading:

Gill D., Sharma A., Naini F., Jones S. The twin block appliance for the correction of Class II malocclusion. Dent Update 2005;32(3):158–60, 163–4, 167–8.

Subjects: Dentistry.

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