›› 2014, Vol. 34 ›› Issue (12): 918-920.

• Basic and Clinical Research • Previous Articles     Next Articles

Curative effect analysis of upper anterior teeth retraction and intrusion by high positioned mini screws

  

  • Received:2014-01-20 Revised:2014-03-18 Online:2014-12-28 Published:2015-01-02

Abstract: Objective To analyze retraction and intrusion effects of high positioned mini screws which were put between upper second premolars and first molars. Methods Ten Orthodontic patients with anterior teeth protrusion and gummy smile were included. Twenty mini screws were put and 150-200 g force were added to retract anterior teeth one week later. Effects of retraction and intrusion were analyzed. Results Profiles of all cases improved effectively and gummy smiles were corrected. Conclusion High positioned mini screws can effectively retract and intrude anterior teeth.

Key words: mini screws, high positioned, retraction , intrusion

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