Open Access 01-11-2018 | Techniques
Physiologic anchorage Speewire system
Published in: Periodontal and Implant Research | Issue 1/2018
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Physiologic anchorage Speewire system (PASS) technique is based on physiologic anchorage control theory. It is based on craniofacial growth, dentoalveolar compensation, physiologic curve of Spee, principle of differential moments, and the advantage of light force low friction. PASS appliance consists of XBT buccal tube and MLF bracket.