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Clinical Application of Long-Term Orthodontic Retention Technology Based on VBRplus Technique

Clinical Application of Long-Term Orthodontic Retention Technology Based on VBRplus Technique

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500100896
Enrollment
Unknown
Registered
2025-04-16
Start date
2023-01-03
Completion date
Unknown
Last updated
2025-04-21

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

Conditions

Malocclusion

Interventions

Conventional technique retention group:Subjects wear conventinal retainers
Apply VBRplus Orthodontic Retention Technology Group:Subjects wear retainers fabricated using the virtual bracket removal plus technique

Sponsors

West China Hospital of Stomatology, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Permanent dentition, each segment (incisor segment, canine/premolar segment, molar segment) has > = 1 bracket bonded in place. 2. Meet the criteria for the end of orthodontic treatment: the upper and lower dental arches are matched, the teeth are straight, the occlusal relationship is good, and the six standards of normal orthodontic treatment are basically met.

Exclusion criteria

Exclusion criteria: (1) The patient's gingival hyperplasia to the level of brackets affects the post-processing of digital dental molds; (2) Patients who need to undergo resin or crown restoration treatment for dental crowns during the follow-up period; (3) Patients who use band rings for teeth grinding.

Design outcomes

Primary

MeasureTime frame
Surface deviations of dentitions quantified by root mean squares (RMSs);Arch form changes in width/length;Tooth movements;

Countries

China

Contacts

Public ContactXingmei Yang

West China Hospital of Stomatology, Sichuan University

499065939@qq.com+86 136 0004 9241

Outcome results

None listed

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