Class II Malocclusion
Conditions
Brief summary
This clinical study will be directed to compare the effect of presence or absence of third molar on distalization of the upper posterior segment by using carriere motion appliance
Interventions
after finished treatment with carrirere motion appliance in the two group (group 1 have upper wisdom teeth ,group 2 have not upper wisdom teeth ) the pre and post casts will be scanned and superimposed to determine amount upper molar distalization
Sponsors
Al-Azhar University
Study design
Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)
Eligibility
Sex/Gender
ALL
Age
14 Years to 22 Years
Healthy volunteers
Yes
Inclusion criteria
1. Angle´s Class II canine relationship, at least half-unit. 2. Skeletal Class I or mild Class II relationship. 3. Upper second molars were fully erupted before starting distalization. 4. Normal or horizontal growth pattern. 5. Good oral hygiene. 6. Absence of any systemic diseases
Exclusion criteria
Previous orthodontic treatment. 2. Patients who required surgery to correct skeletal discrepancies (sever skeletal class11). 3\. Patients with hyperdontia, hypodontia, or syndromic diseases. 4. Extraction or badly destructed teeth in upper arch \-
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| change in upper first molar position | Baseline to 6 months | using 3d cast superimposition |
Countries
Egypt
Outcome results
None listed