Angle Class II, Division 1 Clinical Trial
Official title:
Skeletally Versus Dentally Anchored Herbst Appliance During Treatment of Class 2 Mandibular Deficiency in Adolescent Patients; A CBCT Study
Verified date | May 2020 |
Source | Al-Azhar University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The treatment of skeletal Class II malocclusion can be carried out through different approaches. One of these is the using of Fixed Functional Appliances (FFA), one of main drawbacks of these appliances is the proclination of the lower anterior teeth limiting the skeletal effect that is originally addressed in those patients.To overcome these limitations, miniplates anchored Forsus FRD were introduced, it showed high success rate in achieving a more skeletal effect with retroclination of lower anterior teeth rather than their proclination. Although Herbst appliance is categorized as the best FFA with more stable skeletal and dentoalveolar effects, miniplates had never been tried as an anchorage source with Herbst appliance in skeletal Class II patients.
Status | Completed |
Enrollment | 20 |
Est. completion date | January 1, 2020 |
Est. primary completion date | November 1, 2019 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 14 Years to 20 Years |
Eligibility |
Inclusion Criteria: 1. Skeletal Class II malocclusion due to mandibular deficiency (SNA=82+4, ANB =4o). 2. Overjet =5.0 mm. 3. All permanent dentition erupted with exception of the third molars. 4. The patient should be at the maturity stage of MP3-I (where the fusion of the epiphysis and metaphysis is completed according to the developmental stage of the middle phalanx). Exclusion Criteria: 1. History of any medical problems that may interfere with orthodontic treatment. 2. Previous orthodontic treatment. 3. Clinical signs and symptoms of temporomandibular disorders. 4. Bad oral hygiene. |
Country | Name | City | State |
---|---|---|---|
Egypt | AlAzharU | Cairo |
Lead Sponsor | Collaborator |
---|---|
Al-Azhar University |
Egypt,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | condylar volume changes | volumetric changes that affects the condylar head when comparing pre and post treatment | 2 years | |
Primary | amount of mandibular advancement | increase in mandibular length | 2 years | |
Secondary | changes in inclination of lower anterior teeth | angular changes | 2 years |
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