Bond Pair
Conditions
Brief summary
Although there are many studies in the literature concerning with methods of bonding of mandibular retainers whether directly or indirectly, there is a very limited evidence regarding their chair side time and bond failure. Also there are scarce data on 3D printed fixed mandibular retainers. Choic
Interventions
Resin wire as key modification
Conventional fixed retainer
Sponsors
Study design
Eligibility
Inclusion criteria
* Inclusion Criteria: * Patients with properly finished orthodontic treatment. * No sex predilection. * The presence of 4 permanent mandibular incisors and 2 permanent mandibular canines. * No active caries, restorations, fractures, or periodontal disease of previously mentioned teeth * Patients with good oral
Exclusion criteria
* Patients with no need of fixed mandibular retention. * Enamel hypoplasia or hypocalcification of mandibular anterior teeth. * Abnormal morphology of mandibular anterior teeth * Periodontal disease that contraindicates fixed orthodontic retention. * No or poor patient's compliance \& bad oral hygiene. * Psychological problems.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Bond failure | Baseline to 12 months | Primary Outcome Bond Failure Measured by number of debonded teeth using clinical examination and during follow ups Time Frame: Immediately after bonding (baseline visit) till 12 months |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Chairside time | During bonding procedure (baseline visit) | Measure: Time required for bonding the fixed retainer Measurement Tool: Digital stopwatch Unit: Seconds Time Frame: During bonding procedure (single visit, baseline) |
| Plaque accumilation | Every 3 month | Measure: Plaque score around mandibular anterior teeth Measurement Tool: Silness and Löe Plaque Index Unit: Numerical score Time Frame: Baseline ,3 month 6 months and 12 months follow-up |
| Wire breakage | Every 3 month till 12 month | Measure: Presence or absence of retainer wire fracture Measurement Tool: Clinical examination Unit: Binary (Yes/No) Time Frame: During 3 month ,6-month and 12 months follow-up period |
| Posttreatment relapse | After 12 month | Measure: Alignment changes of mandibular anterior teeth Measurement Tool: Little's Irregularity Index Unit: Millimeters (mm) Time Frame: Baseline and12 months follow-up |
Countries
Egypt