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A study on the patients with completed arrangement of irregularly placed teeth for comparing the computer designed retainer appliance and normal wire based appliance for maintaining the position of arranged teeth

Comparison of stability, failure rate and periodontal health between 3D printed resin fixed retainers vs conventional fixed bonded retainers: a randomized clinical trial - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/04/107416
Enrollment
32
Registered
2026-04-02
Start date
Unknown
Completion date
Unknown
Last updated
2026-04-27

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

Conditions

Health Condition 1: M264- Malocclusion, unspecified

Interventions

Intervention1: 3D printed resin fixed retainer: 3D printed resin fixed lingual retainer will be given fixed for a period of 6 months in patients who completed fixed orthodontic treatment for assessing

Sponsors

Dr Eamani Sri Satya Sushma
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1.Patient who completed fixed appliance orthodontic treatment with a non-extraction protocol in the mandibular arch and requiring long term retention 2.Have no missing anterior teeth in the lower arch 3.Good periodontal health and willing to comply with the trial regimen and provide written informed consent

Exclusion criteria

Exclusion criteria: 1.Poor periodontal health at the pre-debond appointment, presence of supragingival or subgingival calculus, or periodontal pockets greater than 3.5 mm 2.Patients with facial or jaw deformities 3.Gross or uncontrolled caries 4.Prosthodontic requirements in the lower arch at the end of treatment 5.A starting malocclusion requiring extreme transverse correction

Design outcomes

Primary

MeasureTime frame
Stability in terms of measuring the inter canine width by intraoral scans and Alignment of lower labial segment using Little`s irregularity index for a period of 6 monthsTimepoint: Baseline and 6 Months

Secondary

MeasureTime frame
Failure rates for retainer focusing on wire breakage and bond failure between the retainer and tooth surface as reported by patients using Survival analysis and Periodontal health using Plaque and Gingival indices for a period of 6 monthsTimepoint: Baseline and 6 months

Countries

India

Contacts

Public ContactDr M Anoosha

Vishnu Dental College

kpradeep@vdc.edu.in9603217449

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: May 1, 2026