K05.5
Conditions
Interventions
Group 1: test group: After active orthodontic treatment baseline examination will be made and afterwards a steel retainer will be adhesive fixed on the lingual sides of the teeth 33-43. At baseline, 6
Sponsors
Poliklinik für Parodontologie, Zentrum für Zahn-, Mund- und Kieferheilkunde der Johann Wolfgang-Goethe Universität Frankfurt am Main
Eligibility
Sex/Gender
All
Age
12 Years to No maximum
Inclusion criteria
Inclusion criteria: (1) Presence of all lower anterior teeth (33-43) (2) patients with orthodontic brace who are in need of a retention after removing all brackets (3) healthy patients with no general diseases (4) no Periodontal Screening Index Code > 2 (5) written informed consent (of the parents, legal guardian)
Exclusion criteria
Exclusion criteria: pregnancy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| change of mean recession depth after 6 +/-1 months and 12 +/-1 months | — |
Secondary
| Measure | Time frame |
|---|---|
| (1) change of mean pocket probing depth and attachmentlevel after 6 +/-1 and 12+/-1 months (2) change of mean gingiva and plaque index after 6 +/-1 and 12+/-1 months (3) mean distance of the retainer to the lingual cement-enamel-junction of the teeth | — |
Countries
Germany
Contacts
Public ContactHari Petsos
Poliklinik für Parodontologie, Zentrum für Zahn-, Mund- und Kieferheilkunde der Johann Wolfgang-Goethe Universität Frankfurt am Main
Outcome results
None listed