초록 ▼

An improved orthopedic appliance for correcting a Class II malocclusion comprising an acrylic anterior segment molded to fit the lower mouth and dentition and two acrylic posterior segments molded to fit the upper mouth and dentition of a patient and an expansion screw connecting each posterior segm

An improved orthopedic appliance for correcting a Class II malocclusion comprising an acrylic anterior segment molded to fit the lower mouth and dentition and two acrylic posterior segments molded to fit the upper mouth and dentition of a patient and an expansion screw connecting each posterior segment to the anterior segment for expandible movement between the anterior segment and the posterior segments. A method of correcting a Class II Division 1 malocclusion using an expandable but otherwise conventional orthopedic appliance. The appliance is expanded in stages to maximize the utilization of corrective lower jaw movements which result from the anchoring of the orthopedic appliance in the patient\s upper mouth.

대표청구항 ▼

An orthopedic appliance for correcting a Class II, Division I, malocclusion comprising: a. a posterior segment having contoured sides for mating and longitudinally fixed engagement with the interior sides of a person\s upper molars; b. an anterior segment having a contoured leading edge for mating e

An orthopedic appliance for correcting a Class II, Division I, malocclusion comprising: a. a posterior segment having contoured sides for mating and longitudinally fixed engagement with the interior sides of a person\s upper molars; b. an anterior segment having a contoured leading edge for mating engagement with the inside of the frontal arch of the person\s mandible, the leading edge being a ramp which extends angularly outward in a direction from the bottom of the mandible to the top of the mandibular frontal arch, and c. an expansion screw assembly connecting the posterior and anterior segment for longitudinally expandible movement between the anterior segment and the posterior segment.