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Randomized clinical trial comparing maxillary anchorage control between physiologic anchorage spee’s-wire system technique and MBT technique

Randomized clinical trial comparing maxillary anchorage control between physiologic anchorage spee’s-wire system technique and conventional straight wire technique

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR-TRC-13003260
Enrollment
Unknown
Registered
2013-06-15
Start date
2013-06-01
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

Malocclusion

Interventions

trial group:Orthodontic treatment with M-LF brakets and X-BT of PASS
control group:Orthodontic treatment with MBT brakets and buccal tubes

Sponsors

Peking University School and Hospital of Stomatology
Lead Sponsor

Eligibility

Sex/Gender
All
Age
11 Years to 45 Years

Inclusion criteria

Inclusion criteria: Permanent dentition, extraction of 2 upper first premolars in treatment plan, medium/maximum anchorage requirement, Class I/II malocclusion.

Exclusion criteria

Exclusion criteria: To gain extra space by molar distalization, extraction upper first molars in treatment plan, congenital missing teeth, impacted non-wisdom teeth, patients with TMD.

Design outcomes

Primary

MeasureTime frame
Changes of Mesiodistal inclination of the maxillary first molars;—

Countries

China

Contacts

Public ContactTian-Min Xu
tmxuortho@gmail.com+86 10 82195268

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 18, 2026