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A clinical study to assess post-orthodontic treatment stability and patient perceptions using three types of retention - Vacuum-Formed Retainers (VFR), Hawley Retainers and Bonded Retainers

Assessment of Vacuum-Formed Retainers (VFR), Hawley Retainers and Bonded Retainers in dental stabilization after Orthodontic treatment â?? Patient perceptions and long-term follow-up

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2023/05/052369
Enrollment
150
Registered
2023-05-08
Start date
Unknown
Completion date
Unknown
Last updated
2023-05-29

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

Conditions

Health Condition 1: K089- Disorder of teeth and supporting structures, unspecified

Interventions

Intervention1: Fixed bonded upper and lower lingual retention: Fixed bonded upper and lower lingual retention from canine to canine in extraction and premolar to premolar in extraction cases for 12 mo

Sponsors

INHS Kalyani
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: (aa) Treatment completed with Preadjusted Edgewise Appliance in a Defence Orthodontic setup (ab) Fixed orthodontic mechanotherapy involving both arches (ac) Pretreatment records, treatment plan and study models available (ad) Willing for maxillary and mandibular retention

Exclusion criteria

Exclusion criteria: (aa) Limited/segmented Orthodontic Mechanotherapy (ab) Patients with oro-facial clefts or other craniofacial syndromes (ac) Treatment involving Rapid Maxillary Expansion

Design outcomes

Primary

MeasureTime frame
To determine significant differences between three orthodontic retention systems â?? Vacuum-formed retainers (VFRs), Hawley retainer and fixed bonded upper and lower lingual retentionTimepoint: 4 intervals; At debond (T1), 6 months (T2), 09 months (T3) and 12 months after debond (T4)

Secondary

MeasureTime frame
Comparison of levels of patient satisfaction of patients fitted with different orthodontic retainersTimepoint: 4 intervals;At debond (T1), 6 months (T2), 09 months (T3) and 12 months after debond (T4)

Countries

India

Contacts

Public ContactOOMMEN NAINAN

INHS Kalyani

droommennainan@yahoo.in9869860710

Outcome results

None listed

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