Status:

UNKNOWN

CAD/CAM Fixed Retainers vs. Conventional Multistranded Fixed Retainers in Orthodontic Patients. Comparison of Stability, Retainer Failure Rate, Adverse Effects, Cost-effectiveness, and Patient Satisfaction. A Randomized Controlled Clinical Trial

Lead Sponsor:

University of Aarhus

Collaborating Sponsors:

University of Oslo

Conditions:

Relapse

Eligibility:

All Genders

12-25 years

Phase:

NA

Brief Summary

Introduction: Orthodontic retainers are used after the completion of orthodontic treatment to assure dental occlusal stability and to maintain the achieved end-result. However, without retention teet...

Detailed Description

Material and Methods Setting: Section of Orthodontics, Department of Dentistry and Oral Health, Aarhus University, Denmark and Department of Orthodontics, Faculty of Dentistry, University of Oslo, No...

Eligibility Criteria

Inclusion

  • Healthy patients.
  • Age: 12-25 years old (at time of debonding).
  • Presence of all maxillary and mandibular anterior teeth, with normal shape and size.
  • Completion of a course of fixed appliance therapy involving both dental arches.
  • Subjects willing to consent to the trial and comply with the trial regime.
  • No restriction to presenting initial malocclusion, type of active orthodontic treatment undertaken provided that it included full fixed appliances (functional/removable appliances in combination with fixed appliances - extraction or non-extraction)

Exclusion

  • Patients with cleft lip or palate, or both or any other craniofacial syndrome.
  • Patients who had surgical correction of the jaws: Le fort I (2- or 3-piece maxilla) or SARPE (surgically assisted rapid palatal expansion).
  • Lingual appliance treatments.
  • Periodontal disease.
  • Hypoplasia of enamel.
  • Fluorosis.
  • Active caries, restorations or fractures in the anterior teeth.
  • Patients who have had separate debonding appointments for each jaw, with a difference of more than 2 months in between.
  • Re-treated patients.

Key Trial Info

Start Date :

September 1 2018

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 1 2025

Estimated Enrollment :

126 Patients enrolled

Trial Details

Trial ID

NCT04389879

Start Date

September 1 2018

End Date

December 1 2025

Last Update

November 3 2022

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Marie Anne Michele Cornelis

Aarhus, Denmark, 8000

2

University of Oslo

Oslo, Norway, 0455