edentulous and dentition defect
Conditions
Interventions
Case series:NA
Sponsors
Shanghai Stomatological Hospital & School of Stomatology, Fudan University
Eligibility
Sex/Gender
All
Age
18 Years to 100 Years
Inclusion criteria
Inclusion criteria: (1) systematically healthy patients with a stable occlusal contact; (2) Crowding degree of maxillary and mandibular anterior teeth less than 3 mm, scattered space of maxillary and mandibular teeth less than 2 mm, and dislocation of buccal and lingual direction less than 1 mm (3) Number of teeth with torsion or dislocation in each quadrant should not exceed 1 and degree of torsion less than 2 degrees (4) no orthodontic treatment; (5) Necessary to get a CBCT radiographic exam. All patients signed a written informed consent statement.
Exclusion criteria
Exclusion criteria: The occurrence of periodontal diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Angle; | — |
Secondary
| Measure | Time frame |
|---|---|
| Distance; | — |
Countries
China
Contacts
Public ContactZhengjie Dong
Shanghai Stomatological Hospital & School of Stomatology, Fudan University
Outcome results
None listed