Accuracy of Bracket Transfer and Bond Failure Rate of Digitally Printed Transfer Tray With Windows and Conventional Thermoformed Transfer Tray, Inaccurate Transfer and Bond Failure of Conventional Indirect Bonding Tray
Conditions
Brief summary
this study was aimed to evaluate of accuracy of 3DPrinted windowed Bracket- Positioning Guide in compare to Thermoformed Transfer Tray For Orthodontic Indirect Bonding
Interventions
3 D printed tray with windows for accurate positioning of brackets
Sponsors
Study design
Eligibility
Inclusion criteria
1. Age: above 13 years. 2. Complete set of permanent teeth including second molar. 3. No sex predilection. 4. Class I Mild to moderate crowding (4-6 mm).
Exclusion criteria
1. Surface enamel defect that compromise bonding 2. No or poor patient's compliance. 3. Psychological problems. 4. Pathology at the site of intervention. 5. Insufficient crown height that contradicts bonding of brackets. 6. Labial and buccal Restorations. 7. Poor oral hygiene. 8. Severely rotated teeth
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| accuracy of 3D printed transfer tray with windows& conventional thermoformed transfer tray | immediate | using digital measurements on 3 shape software in mm degrees |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| chairside time | immediate | digital stopwatch in seconds |
| immediate bond failure | immediate | counting after bonding number of brackets or tubes failed immediately |