Oral cavity hygiene in orthodontic patients
Conditions
Interventions
Group A:Use Hawleys’s retainer.
Group C:Healthy control group with no interventions.
Group B:Use transparent retainer
Sponsors
West China Stomatology hospital
Eligibility
Sex/Gender
All
Age
No minimum to 25 Years
Inclusion criteria
Inclusion criteria: 1. Patients live in Chengdu and won't leave Chengdu in 2 years' 2. When the trial is over, periodontia is healthy by periodontal therapy (normal color and no bleeding with exploration); 3. Age requirement: the second molar erupted and occlused until 25 years old after the treatment is completed.
Exclusion criteria
Exclusion criteria: 1. systemic factors: A systemic disease: Diabetes, AIDS, Osteoporosis, Leukemia B Hormone: puberty gingivitis, pregnant women C genetic disease: gingival fibromatosis D Drug history: diphenylhydantoin sodium, cyclosporine, nifedipine E Habit disturbance: odontoprisis, habit of biting stiff object, smoking, drinking wine, unilateral mastication, impropriate teeth brushing, buccal respiration. 2. Local factors: A severe periodontal disease B Local faulty restoration C Faulty designed artificial tooth D restoration of corona dentis E agomphiasis
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| plaque index; | — |
Secondary
| Measure | Time frame |
|---|---|
| Gingival bleeding index;Adhesion loss;Dental calculus index; | — |
Countries
China
Contacts
Public ContactWenli Lai, Yongchun Yu
Outcome results
None listed