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Evaluating The Treatment Effectiveness And Efficiency Of The Df2 Protocol Using Invisalign® For Treatment Of Class Ii Malocclusion: A Retrospective Comparison Study, Bryan J. Otis
Loma Linda University Electronic Theses, Dissertations & Projects
Purpose: This retrospective study evaluated the treatment effectiveness and efficiency of the DF2 protocol for correction of class II malocclusions in comparison to conventional protocol using Invisalign®.
Materials and Methods: Clinical and cephalometric data of patients that were treated for class II malocclusion between July 30, 2014 and July 22, 2021 were reviewed and selected. The selected patients were matched for age, sex, and treatment complexity and divided into two groups: Group 1 (G1) —DF2 protocol and Group 2 (G2)—conventional class II Invisalign®. Clinical variables to represent the skeletal and dentoalveolar changes during treatment were assessed using pre-treatment (T1) …