Table 1 Inclusion and exclusion criteria
Inclusion Criteria | Exclusion Criteria |
|---|---|
Control group with untreated class II subjects. Treatment group: Patients with Class II malocclusion by retrognathism treated with any of the following appliances: Bionator, Twin Block, Activator, Sander Bite Jumping or Frankel. | Studies which evaluated mandibular length with point Ar. |
Minimum 6 months in treatment. | Studies evaluating outcomes with MRI. |
Articles in English or Spanish. | Studies which utilized the Herbst appliance. Insufficient data for analysis |
Studies in humans | Treatment combined with extractions. |
Studies in growing patients (aged between 6 and 18 years old). | Treatment combined with fixed appliances. |
Studies evaluated with cephalometric radiographs that included mandibular length measurements using Co-Gn, Co-Po. | Surgical treatment |
Randomized clinical trials (RCT) studies |