Impact of mandibular advancement by Herbst treatment for Class II correction on blood oxygen saturation levels

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00023174

Enrollment

Registered

2020-10-05

Start date

2020-11-18

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

G47.3 K07

Interventions

Group 1: Before insertion of Herbst appliance: nocturnal polygraphy, health questionnaire for exclusion of respiratory symptoms during polygraphy, Eppworth-Sleepiness-Scale for children, documentation

Eligibility

Sex/Gender

All

Age

10 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients scheduled for orthodontic Class II treatment with Herbst appliance indenpendently of trial, posterior airway space on the level of line ML < 10mm (lateral cephalogram), written consent of patients and parents

Exclusion criteria

Exclusion criteria: Craniofacial abnormalities, neuromuscular diseases, heart-lung diseases, implanted heart pacemaker, chronic lung disease, Asthma bronchiale (either untreated or medically treated)

Design outcomes

Primary

Measure	Time frame
nocturnal blood oxygen levels, measured by polygraphy including pulse oximetry at home	—

Secondary

Measure	Time frame
duration of snoring, posterior airway space, daytime sleepiness	—

Countries

Germany

Contacts

Public ContactKatharina Klaus

Poliklinik für Kieferorthopädie

katharina.klaus@dentist.med.uni-giessen.de06419946130

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026