Eligibility Module
The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.
Eligibility Module path is as follows:
Study -> Protocol Section -> Eligibility Module
Eligibility Module
Ignite Creation Date:
2025-12-24 @ 8:02 PM
Ignite Modification Date:
2025-12-24 @ 8:02 PM
NCT ID:
NCT04578704
Eligibility Criteria:
Inclusion Criteria:
1. Pretreatment bimaxillary proclination patients with interincisal angle less than 125ยบ (Keating PJ 1986).
2. Patients with fixed orthodontic appliances treatment on both arches consisting of the extraction of 4 premolars (Keating 1986).
3. Both arches are indicated for retainers.
4. Pre-treatment lateral cephalometric radiograph of adequate diagnostic quality.
Exclusion Criteria:
1. Pretreatment spacing eg: Median diastema.
2. No change or proclined lower labial segment post treatment.
3. Early debond patient.
4. Patient intended to relocate within study period.
5. Hypodontia that require prosthesis, cleft lip and/or cleft palate, or orthognathic cases.
6. Patients with learning disabilities and unable to listen, speak and read written instructions in Bahasa Melayu or English.
Healthy Volunteers:
True
Sex:
ALL
Study:
NCT04578704
Study Brief:
Protocol Section:
NCT04578704