Active — Not RecruitingNot Applicable

Effects of the Herbst Appliance With Different Anchorages and Twin-Block Appliance in Class II Malocclusion

Brazil60 participantsStarted 2015-08

Plain-language summary

The purpose of this study is to determine if the Herbst appliance with indirect skeletal anchorage in mini-implants is capable of preventing excessive inclination of the lower incisors at the end of the treatment when compared to the Herbst appliance with dental anchorage and Twin-Block appliances in patients with Class II malocclusion and overjet ≥ 6 mm.

Who can participate

Age range10 Years – 14 Years

SexALL

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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Teenagers aged from 10 to 14 years old (both genders) * Parental permission with a signed consent form * Referral from the Orthodontics Clinic of the State of Rio de Janeiro University or private clinics * Presenting Class II, Division 1 malocclusion with convex profile and minimum overjet of 6 mm in permanent dentition. Exclusion Criteria: * Missing teeth.

What they're measuring

Lower incisors position changes as measured by tomographic superimposition of the mandible.

Timeframe: 12 months

Trial details

NCT IDNCT02411812

SponsorKlaus Barretto-Lopes

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2025-08

View on ClinicalTrials.gov More Malocclusion, Angle Class II trials