Malocclusion
Conditions
Interventions
Experimental group:molar distalization by our new patent appliance combined with micro-implant anchorages
Control group :molar distalization by Invisible orthodontics appliance combined with micro-implant anchorages
Sponsors
Shanghai Stomatological Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 35 Years
Inclusion criteria
Inclusion criteria: 1. Adults, aged 18-35 years; 2. Permanent dentition, complete eruption of the second molars; 3. Mild-to-moderate dental crowding or mild bony protrusion, need to move molars, no more than 4mm, normodivergent or hypodivergent; 4. The third molar has been extracted; 5. Good oral hygiene and no untreated dental diseases; 6. Good compliance.
Exclusion criteria
Exclusion criteria: 1. Symptoms or signs of temporomandibular joint disorders, and severe systemic diseases; 2. There were bone islands, osteoma, apical cyst, root resorption or root exposure in the dental arch; 3. Mental disorder or movement disorder; 4. Abnormal bone metabolism; 5. Be participating in other clinical studies.
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Patient's sensory rating of treatment; | — |
Primary
| Measure | Time frame |
|---|---|
| the efficiency of orthodontic tooth movement;Cephalometric analysis; | — |
Countries
China
Contacts
Public ContactWu Haimiao
Shanghai Stomatological Hospital, Fudan University
Outcome results
None listed