Status:
COMPLETED
Treatment Effects of Herbst Appliance in Skeletal Class II Cases During Prepubertal and Postpubertal Periods
Lead Sponsor:
Al-Azhar University
Conditions:
Class II Malocclusion, Division 1
Eligibility:
All Genders
8-17 years
Phase:
NA
Brief Summary
The study was directed to compare the treatment outcomes of subjects with Class II malocclusion who were treated with Herbst appliance before and after puberty.
Detailed Description
Thirty-six Class II patients were randomly selected and divided into two groups based on their stage of skeletal maturation: pre-pubertal group (18 patients, mean age 9.15± 1.5 years) and post-puberta...
Eligibility Criteria
Inclusion
- Skeletal Class II malocclusion with retrognathic mandible (ANB \>5°, SNB\<76°)
- Normal growth pattern (SN/MP angle was in 25°- 35° range)
- Unilateral or bilateral Class II molar relationship greater than or equal to one-half a cusp width.
- Minimal or no crowding in the mandibular arch (0-5mm).
- Average inclination or slight retroclination of the lower incisor.
- An overjet greater than 5 mm.
Exclusion
- Skletal Class I
- Craniofacial syndrome.
Key Trial Info
Start Date :
October 1 2017
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 1 2019
Estimated Enrollment :
36 Patients enrolled
Trial Details
Trial ID
NCT04518865
Start Date
October 1 2017
End Date
April 1 2019
Last Update
August 19 2020
Active Locations (1)
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1
Al-Azhar university
Cairo, Egypt