Evaluation of Segmented Versus Full Arch Three Dimensionally Printed Transfer Tray for Orthodontic Indirect Bonding

Not Applicable

• Conditions: Accuracy of Bracket Transfer and Bond Failure Rate of Full Arch and Segmented Digitally Printed Trays; Inaccurate Transfer and Bond Failure of Conventional Indirect Bonding Tray
• Interventions: Other: Segmented three dimensionally printed transfer tray

• Registration Number: NCT03564717
• Lead Sponsor: Cairo University

Brief Summary

This study is conducted to overcome the problems of conventional indirect bonding technique, through investigating accuracy of two novel three dimensionally digitally printed indirect bonding transfer trays (full arch \& segmented) in terms of accuracy of transferring brackets, rate of immediate bond failure and chair side time.

Detailed Description

Fourteen patients (7 in each group) with mild to moderate crowding, requiring orthodontic treatment with full set of permanent teeth including second molars, will be selected for this study. A total of 196 brackets will be used (98 Full Arch Tray and 98 Segment Arch Tray). The same bracket type and bonding material will used in both groups. The accuracy of bracket transfer will be measured by 3 Shape Ortho planner software (Bracket Placement Module), rate of bond failure by counting number of debonded brackets upon tray removal \& chair side time by using digital watch.

Study Timeline

• Status Verified: 2018-06
• Study First Submitted: 2018-06-08
• Study First Submitted QC: 2018-06-19
• Last Update Submitted: 2018-06-19
• Study First Posted: 2018-06-21
• Last Update Posted: 2018-06-21
• Study Start: 2018-07-01
• Primary Completion: 2018-11-30
• Study Completion: 2018-12-30

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 132

Inclusion Criteria

1. Patients seeking fixed orthodontic treatment with full set of permanent teeth including second molars.
2. No sex predilection.
3. Mild to moderate crowding cases (4-6 mm).

Exclusion Criteria

1. Severely rotated teeth
2. Enamel hypoplasia or hypocalcification.
3. Systemic disease that contraindicates orthodontic treatment.
4. Presence of deep carious lesions or large restorations.
5. No or poor patient's compliance & bad oral hygiene.
6. Psychological problems.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
Segmented Three dimensionally printed transfer tray	Segmented three dimensionally printed transfer tray	-

Primary Outcome Measures

Name	Time	Method
Accuracy of 3D printed full arch &segmented transfer tray.	immediate	Using Digital Measurements on 3shape software in mm- degrees

Secondary Outcome Measures

Name	Time	Method
Chairside Time	immediate	Digital stopwatch in seconds
Immediate Bond Failure	immediate	Counting number of brackets or tubes failed immediately after bonding