A randomized clinical trial to evaluate a newly designed 3D printed miniscrew-supported molar distalization device in comparison to the conventional miniscrew-supported distal jet appliance in correction of Class II malocclusion and upper arch crowding.
It is a multicenter randomized clinical trial with two parallel arms. The patients will be randomly divided into two groups, group one: conventional miniscrew-supported distal jet appliance will be used while for group two, new 3D printed miniscrew-supported molar distalizers is going to be utilized. Lateral cephalometric x-ray and digital models of upper arch will be taken before starting the treatment (T0) and at the end of molar distalization (T1). The effectiveness of the two appliances will be assessed and measured comparing patient's records before and after treatment.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
28
Conventional miniscrew-supported distal jet appliance
New 3D printed miniscrew-supported molar distalizers
College of Dentistry-University of Baghdad
Baghdad, Al-Russafa, Iraq
RECRUITINGThe rate of molar Distalization
• The efficiency of molar distalization in terms of the amount of molar distalization, degree of distal tipping and bodily translation movements by using a lateral cephalogram linear and angular measurements.
Time frame: 6 months
Patient discomfort
• Patient's pain and discomfort using visual analogue scale (VAS). The minimum score is zero and the maximum score is 10.
Time frame: 10 days
Molar distalization
The efficiency of molar distalization in terms of the amount of molar distalization, degree of distal tipping and bodily translation movements by using a lateral cephalogram linear and angular measurements. - The efficiency of molar distalization in terms of the amount of molar distalization, - degree of distal tipping and bodily translation movements by using a lateral cephalogram linear and angular measurements
Time frame: 6 months
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