Class II Malocclusion, Division 1 Clinical Trial
Official title:
Treatment Effects of Herbst Appliance in Skeletal Class II Cases During Prepubertal and Postpubertal Periods: A Cone Beam Computed Tomographic Study
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.
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-pubertal group (18 patients, mean age 16.3 ± 1.0 years). All patients were
treated with metallic splint supported Herbst IV appliance.
Pretreatment and post-Herbst IV treatment cone beam CT(CBCT) scans were obtained for both
groups. Dentoskeletal and TMJ measurements made on the CBCT scans were analysed.
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