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Related Experiment Videos

[Soft-tissue profile changes through therapy with the Herbst hinge appliance].

C Eicke1, L Wieslander

  • 1Abteilung für Kieferorthopädie und Kinderzahnmedizin, Zahnärztliches Institut der Universität Basel.

Schweizer Monatsschrift Fur Zahnmedizin = Revue Mensuelle Suisse D'Odonto-Stomatologie = Rivista Mensile Svizzera Di Odontologia E Stomatologia
|January 1, 1990
PubMed
Summary

The Herbst appliance significantly improved soft tissue profiles in children with Class II malocclusion. However, a tendency for relapse was noted after the retention period, with no clear correlation to skeletal changes.

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Area of Science:

  • Orthodontics
  • Pediatric Dentistry
  • Craniofacial Biology

Background:

  • Class II malocclusion is a common dental issue in mixed dentition.
  • The Herbst appliance is frequently used to correct such discrepancies.
  • Understanding post-treatment profile changes is crucial for treatment evaluation.

Purpose of the Study:

  • To investigate soft tissue profile changes following Herbst therapy in mixed dentition Class II malocclusion.
  • To compare treated patients with an untreated control group.
  • To assess relapse tendencies after the active treatment and retention phases.

Main Methods:

  • A comparative study involving two groups of 18 patients each.
  • One group received Herbst appliance treatment followed by activator retention.

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  • The other group served as an untreated control.
  • Profile photographs were taken and analyzed before and after treatment/retention.

    • Main Results:

    • Significant improvements in soft tissue profiles were observed in the treated group post-active treatment.
    • A noticeable tendency for relapse in profile changes was evident after the retention period.
    • No definitive correlation was established between soft tissue profile alterations and skeletal changes due to wide treatment effect variations.

    Conclusions:

    • Herbst therapy effectively enhances soft tissue profiles in Class II malocclusion during mixed dentition.
    • Retention is critical to mitigate relapse tendencies after active Herbst treatment.
    • Further research is needed to clarify the relationship between soft tissue and skeletal changes.