orthodontic treatment. Fitting and adjustment of orthodontic device
Conditions
Interventions
extraction of both mandibular first premolars and performing ridge preservation(by PDFDBA and collagen membrane) in right socket and not performing this procedure in left socket.
Treatment - Surgery
extraction of both mandibular first premolars and performing ridge preservation(by PDFDBA and collagen membrane) in right socket and not performing this procedure in left socket
Sponsors
Babol University of Medical Sciences
Eligibility
Sex/Gender
All
Age
14 Years to 20 Years
Inclusion criteria
Inclusion criteria: Inclusion criteria: patients with no medical history or specific disease; patients that their teeth are fully developed and have straight roots; patients who are in need of extraction of both mandibular first premolars due to crowding or dentoalveolar protrusion Exclusion criteria: patients that their mandibular canines or second premolars are outside the dental arch; mandibular canines and second premolars that have curved roots; patients with increased overbite; existence of periodontal pocket in mandibular canine and second premolar area
Exclusion criteria
Exclusion criteria:
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Tooth movement rate. Timepoint: 6 weeks after intervention- 14 weeks after intervention. Method of measurement: by digital caliper with precision to 0.01 mm.;Gingival invagination. Timepoint: after space closure. Method of measurement: examination by periodontal probe. | — |
Secondary
| Measure | Time frame |
|---|---|
| External root resorption. Timepoint: before intervention- end of treatment. Method of measurement: evaluation in radigraphy. | — |
Countries
Iran (Islamic Republic of)
Contacts
Public ContactDr. Valioallah Arash
Babol University of Medical Sciences
Outcome results
None listed