Influence of fixed orthodontic steel retainers on gingival health of lower anterior teeth

Not Applicable

• Conditions: K05.5; Other periodontal diseases

• Registration Number: DRKS00016710
• Lead Sponsor: Poliklinik für Parodontologie, Zentrum für Zahn-, Mund- und Kieferheilkunde der Johann Wolfgang-Goethe Universität Frankfurt am Main

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2019-09-05
• Study Completion: 2022-06-14
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 32

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

pregnancy

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
change of mean recession depth after 6 +/-1 months and 12 +/-1 months

Secondary Outcome Measures

Name	Time	Method
(1) change of mean pocket probing depth and attachmentlevel after 6 +/-1 and 12+/-1 months<br>(2) change of mean gingiva and plaque index after 6 +/-1 and 12+/-1 months<br>(3) mean distance of the retainer to the lingual cement-enamel-junction of the teeth