The rate of canine tooth regression.
Conditions
Interventions
Intervention 1: Intervention group: In the area of the extracted premolar tooth, one side of the maxilla is randomly performed with laser corticotomy. During one session using the er: yag laser, corti
Sponsors
Yazd University of Medical Sciences
Eligibility
Sex/Gender
All
Age
15 Years to 25 Years
Inclusion criteria
Inclusion criteria: Patients with class l malocclusion who require bilateral maxillary first maxillary filling due to severe crowding or dental protrusion. Patients with class II malocclusion with maxillary dentoalveolar protrusion who require bilateral maxillary first premolars and canine retraction as part of an orthodontic treatment plan (camouflage treatment). Vital teeth with normal periodontium and no root resorption. The presence of both the first and second maxillary molars. Lack of systemic disease, craniofacial syndromes and deformities. No previous orthodontic treatment. Lack of facial asymmetry. Periodontal health. No history of anterior maxillary surgery. Do not take drugs that affect orthodontic movements such as corticosteroids, hormonal therapy and tricyclic antidepressants. No severe liver or kidney disease Absence of systemic conditions such as diseases that are immunocompromised or blood disorders, diabetes, etc. The natural structural shape of the canine. Acceptable oral hygiene (index plate below 30%). No vitamin D deficiency or hyperparathyroidism and osteoporosis.
Exclusion criteria
Exclusion criteria: Poor oral hygiene Patients treated with drugs that affect the orthodontic movement of teeth. Patients whose canine and second molars have necrosis.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The rate of canine regression. Timepoint: The first month, the second month, the third month and the fourth month after laser corticotomy. Method of measurement: First, a three-dimensional scan is prepared from the study casts prepared each month. The reference lines in the scans include the midpalatal ridge and the Roga line. The Roga line is drawn from the midpoint of the third Roga on the right side of the palate perpendicular to the midline. | — |
Secondary
| Measure | Time frame |
|---|---|
| Anchorage loss. Timepoint: Pain score. Method of measurement: vitality test. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactNegin Karimi Sardari
Yazd University of Medical Sciences
Outcome results
None listed