overerupted molar
Conditions
Interventions
free-end protrusion tooth:modified appliance
non-free-end protrusion tooth:modified appliance
Sponsors
West China Hospital of Stomatology, Sichuan University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Between the ages of 18 and 60 years; 2. The teeth of the edentulous area are elongated by more than 1mm, and the implant vertical restoration distance is insufficient; 3. Able to wear the appliance for more than 20 hours a day, and change the rubber band every day, and have a good compliance; 4. The appliance can be worn on time and according to instruction, and the appliance will not be damaged or lost frequently, and receive regular follow-up.
Exclusion criteria
Exclusion criteria: 1. Patients who are allergic to appliances; 2. Patients with severe periodontal disease; 3. Patients with oral mucosal disease; 4. Patients with a history of temporomandibular joint disease; 5. Patients with a positive pregnancy test.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| intrusion distance; | — |
Countries
China
Contacts
Public ContactMan Yi
West China Hospital of Stomatology, Sichuan University
Outcome results
None listed