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Skeletal Class II treatment with Twin Force Bite Corrector: case reports.

AbstractAIM:
To analyze the effectiveness of the Twin Force Bite Corrector in 2 patients requiring anterior advancement of the mandible.
METHODS:
To correct the imbalanced maxillomandibular relationship, a Twin Force Bite Corrector was inserted in 2 female adolescents (case 1: 12 years 3 months of age; case 2: 12 years 7 months of age) presenting with a skeletal Class II malocclusion. The pretreatment, posttreatment, and follow-up dental and skeletal parameters were evaluated on lateral cephalometric radiographs. Twenty-two reference points were marked and 23 variables measured for each set of lateral cephalograms.
RESULTS:
The Twin Force Bite Corrector therapy lasted for 3 months in both patients. The total orthodontic treatment duration was 1 year 4 months for case 1 and 1 year 6 months for case 2. In both patients, the overjet reduced, the mandibles advanced, and a Class I molar relationship was achieved. Effective mandibular length (Co-Gn) increased significantly, while the mandibular incisors almost kept their initial positions without a significant change in inclination (L1/ML). The clinical profiles of both girls remarkably improved.
CONCLUSIONS:
The Twin Force Bite Corrector was effective in the correction of skeletal Class II malocclusion with retrognathic mandible, with negligible anchorage loss in the mandibular arch.
AuthorsAyşe Tuba Altuğ-Ataç, Öykü Nebioğlu Dalcı, Ufuk Toygar Memikoğlu
JournalWorld journal of orthodontics (World J Orthod) Vol. 9 Issue 3 Pg. e7-17 ( 2008) ISSN: 1530-5678 [Print] United States
PMID19641763 (Publication Type: Case Reports, Journal Article, Research Support, Non-U.S. Gov't)
CopyrightCOPYRIGHT © 2007 BY QUINTESSENCE PUBLISHING CO, INC.
Topics
  • Cephalometry (methods)
  • Child
  • Female
  • Follow-Up Studies
  • Humans
  • Incisor (pathology)
  • Malocclusion, Angle Class II (therapy)
  • Mandible (pathology)
  • Mandibular Advancement (instrumentation)
  • Maxilla (pathology)
  • Orthodontic Appliance Design
  • Orthodontic Appliances, Functional
  • Orthodontic Wires
  • Overbite (therapy)
  • Patient Care Planning
  • Retrognathia (therapy)
  • Time Factors
  • Tooth Movement Techniques (instrumentation)
  • Treatment Outcome
  • Vertical Dimension

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