Comparison of the transfer accuracy and dimensional stability of different CAD/CAM-fabricated lingual retainers

Comparison of the transfer accuracy and dimensional stability of different CAD/CAM-fabricated lingual retainers - CAD/CAM-Retainer

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

DRKS

Registry ID

DRKS00028974

Enrollment

Registered

2022-05-04

Start date

2021-06-01

Completion date

Unknown

Last updated

2025-10-06

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

Conditions

K07

Interventions

Group 1: Commercially available nickel titanium retainer (MEMOTAIN® retainer (CA DIGITAL GmbH, Hilden, Germany) Group 2: Lab-fabricated titanium retainer (DKZ Digital Competence Center, Witten, German

Eligibility

Sex/Gender

All

Age

10 Years to 80 Years

Inclusion criteria

Inclusion criteria: Indication for fixed retention after active orthodontic treatment

Exclusion criteria

Exclusion criteria: Patients who cannot be treated, minors without parental consent, prosthetic/conservative restorations in the bonded area of dental crowns, prosthetic/conservative treatment needs of bonded teeth

Design outcomes

Primary

Measure	Time frame
Little's irregularity index at control time points: 0, 3, 6, 12 months.	—

Secondary

Measure	Time frame
Periodontal status (probing depths, plaque, gingiva and recession index)	—

Countries

Germany

Contacts

Public ContactStephan Christian Möhlhenrich

Universität Witten/Herdecke,Abteilung für Kieferorthopädie

stephan.moehlhenrich@uni-wh.de(02302) 926645

Outcome results

None listed

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