Ethically Accepted With Code 851/2971 A Comparison of Class Ⅱ Malocclusion Treatment Using Van Beek-headgear Activator Versus Andresen Activator

A Comparison of Class Ⅱ Malocclusion Treatment Using Van Beek-headgear Activator Versus Andresen Activator: A Randomized Clinical Trial

The aim of this study is to compare the treatment results when treating Class II division 1 malocclusion using the Van Beek-Headgear Activator combination (vBHGA) appliance versus using the Andresen activator.

Inclusion Criteria:

• Class II division 1 indicated by ANB angle value ≥ 4º
• Class II division 1 with overjet > 5mm.
• An age range between 8 and 13 years growing patient using cervical vertebral stage assessment (CVS).
• No previous orthodontic treatment
• No indications or symptoms of periodontal disease in the past or present, as determined by clinical and radiographic examination

Exclusion Criteria:

• Missing teeth (excluding 3rd molars).
• Craniofacial anomalies.
• Medical condition or prescription medication that may affect growth.
• Lack of compliance whenever documented in the charts.