CompletedNot Applicable

Clinical Effectiveness of Bonded Versus Vacuum-formed Retainers

Brazil50 participantsStarted 2021-02-01

Plain-language summary

The purpose of the study was to compare the clinical effectiveness of bonded versus vacuum-formed retainers regarding their retention capacity; periodontal health; survival rates; and patients' perception after 12 months of removal of fixed appliances. The null hypotheses considered that there was no differences between the retainers in relation to the aspects evaluated.

Who can participate

Age range12 Years

SexALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Patients with the proper completion of orthodontic treatment and correction of the initial malocclusion. * Acceptable oral hygiene (assessed through clinical examination). * Presence of all teeth up to the second molars. * Clinically acceptable teeth alignment. Exclusion Criteria: * Patients with any systemic condition that may have an influence on periodontal health. * Patients with facial deformities. * Initial malocclusion that required extreme corrections, large transverse expansions or orthognathic surgery. * History of periodontal diseases.

What they're measuring

Changes in Little Irregularity Index (LII)

Timeframe: Changes were compared at T0 (Debonding); T1 (3 Months Follow-up); T2 (6 Months Follow-up); and T3 (12 Months Follow-up).

Trial details

NCT IDNCT04847323

SponsorUniversity of Sao Paulo

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2022-04-01

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