CAD/CAM nitinol bonded retainer versus a chairside bonded retainer: a multicentre randomised controlled trial

Not Applicable

Completed

• Conditions: Orthodontic relapse; Oral Health

• Registration Number: ISRCTN17122529
• Lead Sponsor: eeds Dental Institute

Brief Summary

2023 Results article in https://doi.org/10.1177/14653125221118935 (added 23/03/2023)

Detailed Description

Not available

Study Timeline

• Study Start: 2018-02-12
• Study Completion: 2019-01-11
• Last Update Posted: 15 April 2024

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 63

Inclusion Criteria

Each subject will:
1. Have undergone a course of upper and lower fixed appliance orthodontic treatment with satisfactory correction of the presenting malocclusion, where the treating clinician feels that retention is required
2. Have a full and normal complement of teeth in the upper and lower labial segments (incisors and canines) with these teeth being of normal size and shape
3. Brush their teeth at least twice per day
4. Be in good health
5. Be willing and able to comply with the trial regime
6. Have given written informed consent

Subjects may:
1. Have received treatment at any of the research sites
2. Have had dental extractions (premolar or molar) or a non-extraction approach
3. Have had other orthodontic treatment (e.g. removable or functional appliances) as part of their orthodontic treatment
4. Have undergone adjunctive surgical treatment, whether minor oral surgery to expose a tooth or orthognathic surgery to correct the position of the jaws

Exclusion Criteria

Subjects with:
1. Nickel allergy
2. Cleft palate and/or other severe facial deformity
3. Poor periodontal health including the presence of supragingival or subgingival calculus or periodontal pocketing greater than 3.5mm as determined by a basic periodontal examination (BPE) probe
4. Gross or uncontrolled caries
5. Prosthodontic requirement in the upper or lower arch at end of treatment
6. Restorations on the palatal/lingual surfaces of upper or lower incisors or canines
7. A starting malocclusion requiring extreme transverse correction

Study & Design

• Study Type: Interventional
• Study Design: Not specified