Removable molar power arm

• Main Authors: Raj Kumar Verma (Author), Ashok Kumar Jena (Author), Satinder Pal Singh (Author), Ashok Kumar Utreja (Author)
• Format: Bog
• Udgivet: Wolters Kluwer Medknow Publications, 2013-01-01T00:00:00Z.
• Fag: article
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Attachment of force elements from the gingival hook of maxillary molar tubes during the retraction of the anterior teeth is very common in orthodontic practice. As the line of force passes below the center of resistance (CR) of molar, it results its mesial tipping and also anchorage loss. To overcom...