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J Int Soc Prev Community Dent. 2016 Apr;6(Suppl 1):S79-83. doi: 10.4103/2231-0762.181191.

Early prevention and intervention of Class II division 1 in growing patients.

Author information

1
Department of Orthodontics and Dentofacial Orthopedics, Indira Gandhi Institute of Dental Sciences, Puducherry, India.
2
Department of Orthodontics, Meenakshmi Ammal Dental College, Chennai, Tamil Nadu, India.

Abstract

Early screening and diagnosis help in preventing and intercepting the severity of the malocclusion which helps in addressing the esthetic and functional concerns. Growth modulation such as mandibular advancement has been an effective procedure in orthodontics. Mandibular growth advancer (MGA) and PowerScope are gaining popularity recently as these are effective in achieving the mandibular advancement and ease of fabrication, placement, and wear. MGA was fabricated by making the upper and lower splints separately and are placed in the oral cavity by joining the two splints in the new construction bite using cold cure, MGA when worn during growth phase helps in condylar remodeling in the temporomandibular joint thus helps in advancement of the mandible. The proclination of the upper anteriors in Class II division 1 can be moved lingually by activating the labial bow in the splint. Dr. Andy Hayes worked in conjunction with American orthodontics developed PowerScope. PowerScope delivers Class II correction with a combination of patient comfort and ease of use that was unmatched among other appliances. This ready to use chairside solution required no laboratory setup, making for a much quicker, and easier installation process and appointment. PowerScopes high quality, fixed one-piece design requires no patient compliance. These superior qualities of PowerScope help in correction of Class II skeletal growing patient in conjunction with fixed orthodontic therapy. MGA and PowerScope were chosen as a functional appliance for this study, which shows decreased ANB angle and effective mandible length was increased.

KEYWORDS:

Functional; PowerScope; mandibular growth advancer

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