Patient Satisfaction With At-home Dental Bleaching Using Orthodontic Retainers With Different Mar… (NCT07208708) | Clinical Trial Compass
CompletedNot Applicable
Patient Satisfaction With At-home Dental Bleaching Using Orthodontic Retainers With Different Margin Designs
Spain40 participantsStarted 2025-04-07
Plain-language summary
This randomized single-blind, split-mouth clinical trial evaluated patient satisfaction with at-home dental bleaching using orthodontic retainers with different margin designs, as well as bleaching efficacy, tooth sensitivity (TS), and gingival irritation (GI).
Who can participate
Age range18 Years
SexALL
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Inclusion Criteria:
* Completed of orthodontic treatment with Invisalign aligners (Align Technology Inc., CA, USA); willingness to undergo tooth bleaching as a complementary procedure; and current use of clear retainers. Additional criteria included age of ≥18 years of age, good general and oral health, and provision of informed consent. Eligible participants also needed anterior teeth free from carious and periodontal disease, with canines of shade A2 or darker on the VITA Classical scale (VITA Zahnfabrik, Bad Säckingen, Germany) and a Whiteness Index for Dentistry (WID) value ≤15.
Exclusion Criteria:
* History of previous bleaching; self-reported tooth sensitivity; continuous use of analgesics or anti-inflammatory drugs; pregnancy or breastfeeding; and deleterious habits such as bruxism or smoking. Participants with anterior teeth presenting fixed orthodontic appliances, attachments, restorations, endodontic treatment, color changes due to tetracyclines or fluorosis, or visible enamel cracks were also excluded.