orthodontic
Conditions
Interventions
VFR :Clear film retainer
HR:Orthodontic retainer
LR:Orthodontic retainer
Sponsors
The First Affiliated Hospital of Shanxi Medical University
Eligibility
Sex/Gender
All
Age
12 Years to 30 Years
Inclusion criteria
Inclusion criteria: 1) Both upper and lower dental arches were fixed and corrected, and the patients were satisfied with the results. (2) The patient used the pallet type with 0.022 inch groove (3M Unitek), common metal pallet. (3) Permanent dentition with more than 24 teeth. (4) Patients can have good oral health care. (5) More than 12 months of treatment cycle
Exclusion criteria
Exclusion criteria: (1) People with systemic diseases. (2) Use of any medications that may affect periodontal health, such as antibiotics, during the study. (3) Severe or uncontrolled caries. (4) cleft palate or severe facial deformity. (5) any active periodontal disease. (6) There are dentures in the mouth. (7) Patients who smoke. (8) Pregnant patients.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Porphyromonas gingivalis;gingival index;plaque index; | — |
Secondary
| Measure | Time frame |
|---|---|
| Actinobacillus actinomycetemcomitatus; | — |
Countries
China
Contacts
Public ContactCailian Lu
The First Affiliated Hospital of Shanxi Medical University
Outcome results
None listed