A prospective randomized trial investigating the alignment efficiency of two pre-adjusted edgewise orthodontic bracket systems

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN66185030

Enrollment

Registered

2005-09-30

Start date

2004-11-08

Completion date

Unknown

Last updated

2015-01-13

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

Conditions

Oral Health Oral Health

Interventions

A Prospective Randomised Controlled Clinical Trial comparing Ormco Damon 2 ligature free bracket system and Ormco conventional pre-adjusted edgewise bracket system. The patients will be given a "pain

Eligibility

Inclusion criteria

Inclusion criteria: Children under the age of 16, fit and well and not taking any medication; who present with a crowded dentition that require extraction of first pre-molars and fixed appliance therapy. 30 patients at Guy's and 30 at Canterbury.

Exclusion criteria

Exclusion criteria: Not provided at time of registration

Design outcomes

Primary

Measure	Time frame
1. Speed of alignment of the lower labial segment 2. Self reported pain or discomfort and root resorption of lower central incisors	—

Secondary

Measure	Time frame
Not provided at time of registration	—

Countries

United Kingdom

Outcome results

None listed

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