The main purpose is to compare overall alignment time (OAT) in days in alleviating mandibular incisors crowding between control group and MOPs group.Furthermore, to investigate the presence of volumetric root resorption from CBCT, gingival recession and formation of black triangle post lower labial segment alignment between micro-osteoperforations group and control group.
Prolonged treatment time in orthodontics is an undesirable side effect for both the patient and clinician. Usually, an average course of comprehensive orthodontic treatment with fixed appliances requires less than 2 years to complete (19.9 months). This prolonged treatment time may cause adverse effects such as root resorption, gingival recession, caries \& enamel demineralization. Micro-osteoperforations is safe, minimally invasive technique which perforations are performed through the gum tissues, penetrating the bone without the need to raise a flap.Control group will not received any MOP and will receive standard orthodontic treatment.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
19
MOPs will be performed using SIA Excalibur Mini-Implant with dimension 1.6 mm in width and length of 6 mm, screw 3 mm depth into buccal bone of intervention sites
Faculty of Dentistry , University of Malaya
Kajang, Kuala Lumpur, Malaysia
1. To compare the duration to align the lower labial segment (33-43), between regular and irregular review groups from the conventional (control group).
Total treatment time needed to achieved lower labial segment alignment until Little's irregularity index scores one, indicating a minimum irregularity of ≤ 2 mm contact point displacement, based on the contact point displacements of the mandibular anterior segment, from canine to canine
Time frame: 5 months
2. To compare the duration to align the lower labial segment (33-43), between regular and irregular review groups from the micro-osteoperforations group.
Total treatment time needed to achieved lower labial segment alignment until Little's irregularity index scores one, indicating a minimum irregularity of ≤ 2 mm contact point displacement, based on the contact point displacements of the mandibular anterior segment, from canine to canine
Time frame: 5 months
3. To compare the duration to align the lower labial segment (33-43), between micro-osteoperforations and control group in the regular review group.
Total treatment time needed to achieved lower labial segment alignment until Little's irregularity index scores one, indicating a minimum irregularity of ≤ 2 mm contact point displacement, based on the contact point displacements of the mandibular anterior segment, from canine to canine
Time frame: 5 months
4. To compare the duration to align the lower labial segment (33-43), between micro-osteoperforations and control group in the irregular review group.
Total treatment time needed to achieved lower labial segment alignment until Little's irregularity index scores one, indicating a minimum irregularity of ≤ 2 mm contact point displacement, based on the contact point displacements of the mandibular anterior segment, from canine to canine
Time frame: 5 months
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Total volume of root resorption with micro-osteoperforations group vs the control group
Total volume of root resorption in cubic millimeter (mm3) using 3D Cone Beam CT imaging scanner compare at baseline and end of LLS alignment
Time frame: 5 months
Gingival recession between micro-osteoperforations and control group.
Gingival recession assessed in millimetre (mm) from cement-enamel junction (CEJ) to free gingival margin using electric digital calliper with an accuracy of 0.01mm, at baseline and end LLS alignment
Time frame: 5 months
Black triangle between micro-osteoperforations and control group.
Presence of black triangle for interdental at baseline and end of LLS alignment
Time frame: 5 months