ong-term stability after Class II treatment with the Herbst appliance after the end of growth

• Conditions: Class II malocclusion (long-term stability after treatment); K07; Dentofacial anomalies [including malocclusion]

• Registration Number: DRKS00023022
• Lead Sponsor: Justus-Liebig-Universität Giessen Poliklinik für Kieferorthopädie

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2020-09-14
• Study Completion: 2021-09-23
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 33

Inclusion Criteria

Orthodontic Herbst appliance treatment as well as subsequent multibracket appliance treatment after the growth period, treatment completed at least 15 years ago

Exclusion Criteria

Failure of inclusion criteria, incomplete treatment records

Study & Design

• Study Type: observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Overjet increase during the post-treatment period; changes >1,5mm are to be considered as clinically relevant (measurements performed on orthodontic study casts)

Secondary Outcome Measures

Name	Time	Method
Increase of overbite as well as sagittal molar and canine relationship (assessment performed on orthodontic study casts)<br><br>Facial profile changes (assessment using extraoral photographs)<br><br>Overall orthodontic diagnosis (PAR-Index) using orthodontic study casts<br><br>General oral health and temporomandibular joint function as well as current orthodontic treatment need by means of clinical inspection and examination<br><br>Oral health related quality of life using a questionnaire (OHIP-G14)