The study evaluates the accuracy of indirect bonding using 3D printed transfer tray versus thermoformed transfer tray. Half of the brackets will be bonded indirectly using the 3D printed transfer tray and the other half will be bonded indirectly using the thermoformed transfer tray.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
SINGLE
Enrollment
12
Indirect bonding of orthodontic attachments using digital 3D printed transfer tray
Indirect bonding of orthodontic attachments using thermoformed transfer tray
Intraoral Scanning of the bonded brackets
Linear and angular Positioning of the brackets
To evaluate the transfer accuracy of the brackets by the two transfer trays by measuring the linear and angular differences in the brackets' positions before and after bonding.
Time frame: Immediately after bonding
Bonding failure of the brackets.
Evaluation of the bond failure by counting the number of detached brackets immediately and over a three months follow up period.
Time frame: three months
Chair side time
To evaluate the chair side time of indirect bonding in each technique
Time frame: during the bonding procedure
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superimposition of the brackets' positions before and after bonding and evaluation of the transfer accuracy