A randomised controlled trial comparing conventional, active and passive self-ligating orthodontic bracket systems

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN51381850

Enrollment

100

Registered

2007-09-28

Start date

2006-03-01

Completion date

Unknown

Last updated

2018-05-07

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

Conditions

Oral Health: Orthodontics Oral Health Orthodontics

Interventions

1. Standard GAC Omni bracket 2. System R GAC Omni bracket 3. Damon bracket

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 100 children under 18 requiring routine upper and lower fixed appliances following extraction.

Exclusion criteria

Exclusion criteria: 1. Subjects with learning difficulties 2. Subjects who do not understand English 3. Subjects with incomplete labial segments, i.e. incisors or canines missing

Design outcomes

Primary

Measure	Time frame
Before September 2008: time to alignment, chairside time. Modified September 2008: overall treatment time and chairside time.	—

Secondary

Measure	Time frame
Added September 2008: time to initial alignment and time for space closure.	—

Countries

United Kingdom

Outcome results

None listed

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