Relapse and Failure Rates Between CAD/CAM and Conventional Fixed Retainers

Nourhan M.Aly

Status: Completed

Conditions: Relapse

Treatments: Other: Computer Aided Design/ Computer Aided Manufacturing Retainers; Other: Chairside Retainers; Other: Lab-based Retainers

Study type: Interventional

Funder types: Other

Identifiers

NCT05915273

32524

Details and patient eligibility

About

The aim of this study was to compare the differences in relapse and failure rates in patients treated with fixed retainers (FRs) using Computer-Aided Design/Computer-Aided Manufacturing technology, lab-based technique, and chairside method.

Enrollment: 43 patients

Sex: All

Ages: 13+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• completion of comprehensive orthodontic treatment
• class I molar and canine relationships
• indication for a fixed retainer on the mandibular anterior teeth.
• no extractions done as part of their treatment.
• Treatment with preadjusted edgewise appliance.

Exclusion criteria

• refusal to participate
• refusal to have fixed retainers
• poor oral hygiene
• non-compliance

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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43 participants in 3 patient groups

CAD/CAM group

Experimental group

Treatment:

Other: Computer Aided Design/ Computer Aided Manufacturing Retainers

Lab group

Active Comparator group

Treatment:

Other: Lab-based Retainers

Chairside group

Active Comparator group

Treatment:

Other: Chairside Retainers