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Accuracy of 3DPrinted Windowed Bracket- Positioning Guide Compared To Thermoformed Indirect Bonding Tray

Evaluation of Accuracy of 3DPrinted Windowed Bracket- Positioning Guide Compared To Thermoformed Transfer Tray For Orthodontic Indirect Bonding A Randomized Controlled Trial

Status
UNKNOWN
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03585881
Enrollment
132
Registered
2018-07-13
Start date
2018-09-30
Completion date
2018-12-31
Last updated
2018-07-13

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

Conditions

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

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

DEVICE3DPrinted Windowed Bracket- Positioning tray

3 D printed tray with windows for accurate positioning of brackets

Sponsors

Cairo University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
OTHER
Masking
SINGLE (Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
13 Years to 25 Years
Healthy volunteers
No

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

MeasureTime frameDescription
accuracy of 3D printed transfer tray with windows& conventional thermoformed transfer trayimmediateusing digital measurements on 3 shape software in mm degrees

Secondary

MeasureTime frameDescription
chairside timeimmediatedigital stopwatch in seconds
immediate bond failureimmediatecounting after bonding number of brackets or tubes failed immediately

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026