The Twin Block is a relatively simple system that uses upper and lower bite blocks. These blocks reposition the mandible and redirect occlusal forces to achieve correction of the malocclusion.
Depending on the severity of the Class II relationship, Tx will take 9-12 months. Patients should wear 22 hours a day and clean daily with toothpaste to prevent the buildup of plaque and odor. Avoid Efferdent and other effervescent solutions, as it may erode components on the appliance. It is recommended to use products like DentaSoak or Retainer Splash.