Treatment Effects of Vertical Holding Appliance in Comparison to Zachrisson Transpalatal Arch on Anterior Open Bite Correction

Treatment Effects of Vertical Holding Appliance in Comparison to Zachrisson Transpalatal Arch on Anterior Open Bite Correction During Mixed Dentition: A Randomized Controlled Trial

The aim of the study is to assess the treatment effects of ZTPA versus VHA in the correction of anterior open bite in mixed dentition.

Inclusion Criteria:

1. Children with the age rage from 6-12 years old.
2. Both male and female.
3. Class I and II skeletal and dental.
4. Skeletal anterior open bite.
5. Maxillary and mandibular incisors and upper first molars erupted.
6. Good oral hygiene.

Exclusion Criteria:

1. Systemic disease.
2. Missing teeth.
3. Previous orthodontic treatment.
4. Presence of posterior crossbites.