The clinical application of modified adams clasp / 实用口腔医学杂志

The disadvantages of Admas clasp include inconvenient manual adjustment and being unsuitable to the deciduous molars.The modified Admas clasp can overcome the shortcomings.

The correction of lingually inclined mandibular second molars / 实用口腔医学杂志

6 cases of lingually inclined mandibular second molar were treated by ring uprightor,the malposition was corrected in all the ca-ses in 3 months on average.

The treatment of mesially impacted mandibular second molar / 实用口腔医学杂志

The mesially impacted of mandibular second molar is one kind of common malocclusion in clinic.It can lead to damages to stomatognathic system.The looped uprightor is an effective tool in the treatment of this kind of malocclusion.

The early treatment of buccoversion malpositon of maxillary second molars / 实用口腔医学杂志

The buccoversion malpositon of maxillary second molars is one kind of common malocclusion.It can lead to damages to stoma-tognathic system.The adjustable maxillary molar retractor is an effective tool in the early treatment of this kind of malposition.

The treatment of scissors bite using maxillary molar retractor / 实用口腔医学杂志

In this paper,a maxillary molar retractor was introduced.It could control the direction of orthodontic force and provide a quick and easy solution for reposition of the tooth and correction of scissors-bite.