This aim study aims to compare clinical effectiveness of customized lingual brackets and conventional labial brackets in alignment period in a sample of Class I malocclusion patients treated on a nonextraction basis.
The study included 20 patients who presented with Class I malocclusion and scheduled for orthodontic treatment without tooth extraction. The patients were randomly assigned for treatment with customized lingual brackets or with conventional labial brackets. During the alignment period 0.012 inch (T1) , 0.014 inch(T2), 0.016 inch (T3)NiTi arch wires were performed respectively and the control visits were scheduled by 6-weeks intervals. In all sessions, digital models were obtained by intra-oral scanning device after removal of arch wire, which then analyzed by software. In order to analyze change in T0 (pretreatment), T1, T2 and T3; Little's irregularity index, distance between canine teeth, distance between first premolar teeth, distance between second premolar teeth, distance between first molar teeth and arch length measurements were performed on digital models.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
20
A type of bracket that applied lingual surface of teeth.
A type of bracket that applied labial surface of teeth.
Irregularity index (mm)
Crowding of anterior teeth changes after alignment
Time frame: 18 weeks
Distance between canine teeth (mm)
Measurement from right canine to left canine distance
Time frame: 18 weeks
Distance between first premolar teeth (mm)
Measurement from right first premolar to left first premolar distance
Time frame: 18 weeks
Distance between second premolar teeth (mm)
Measurement from right first premolar to left first premolar distance
Time frame: 18 weeks
Distance between first molar teeth (mm)
Measurement from right first molar to left first molar distance
Time frame: 18 weeks
Arch length (mm)
Measurement of arch length from mesial side of right first molar to messiah side of left first molar
Time frame: 18 weeks
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