Application of a mini-screw at the maxillary tubercle for treatment of maxillary protrusion

Noriko Nakao, Hideki Kitaura, Yoshiyuki Koga, Noriaki Yoshida

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


This case report shows the successful treatment of Angle Class II maxillary protrusion using a mini-screw as orthodontic anchorage at the maxillary tubercle. A 28-year-old female had an overjet of +6.3 mm, and was missing the upper left first and right second molars. An orthodontic mini-screw was placed at the left maxillary tubercle as anchorage for the retraction of the incisor segment. This was followed by alignment of the dental arches with an edgewise appliance following extraction of the upper right first and lower bilateral second premolars. Good occlusion and facial aesthetics were achieved. The maxillary tubercle is a useful place for the application of a mini-screw to provide anchorage, if there is enough space for mini-screw placement.

Original languageEnglish
Pages (from-to)72-80
Number of pages9
JournalOrthodontic Waves
Issue number2
Publication statusPublished - 2008 Jun


  • Adult case
  • Maxillary protrusion
  • Maxillary tubercle
  • Mini-screw


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