Use of palatal miniscrew anchorage and lingual multi-bracket appliances to enhance efficiency of molar scissors-bite correction

Angle Orthod. 2009 May;79(3):577-84. doi: 10.2319/031708-152.1.

Abstract

This article reports the successful treatment method of scissors-bite correction using miniscrew anchorage and a lingual multi-bracket appliance. A female patient, 17 years and 4 months old, had a chief complaint of crowding of anterior teeth. The patient was given the diagnosis of Angle Class I malocclusion with bimaxillary protrusion and incisor crowding. She also showed a scissors-bite of the second molar on the right side. Miniscrews were inserted into the palatal region of the upper second molar to reinforce the anchorage, and a lingual multi-bracket appliance was placed into the maxilla. Miniscrews inserted palatally were used to correct the scissors-bite in the first 3 months; afterward, they were used to retract the six anterior teeth. The total active treatment period was 26 months. Because of the bite-plane effect, the upper and lower molars were separated in occlusion, and the scissors-bite was corrected effectively within a short time. The combined use of palatal miniscrew anchorage and lingual multi-bracket appliances enhances efficiency of molar scissors-bite correction.

Publication types

  • Case Reports

MeSH terms

  • Adolescent
  • Bicuspid / surgery
  • Bone Screws*
  • Female
  • Humans
  • Incisor / pathology
  • Malocclusion, Angle Class I / pathology
  • Malocclusion, Angle Class I / therapy*
  • Molar / pathology
  • Orthodontic Anchorage Procedures / instrumentation*
  • Orthodontic Appliance Design*
  • Orthodontic Brackets*
  • Orthodontic Retainers
  • Palate / surgery*
  • Serial Extraction
  • Tooth Movement Techniques / instrumentation*
  • Treatment Outcome