evidencegaps
Primary study · included by 2 reviews

Innovative customized CAD/CAM nickel-titanium lingual retainer versus standard stainless-steel lingual retainer: A randomized controlled trial.

Gelin 2020 · Gelin Emilie, Seidel Laurence, Bruwier Annick, et al. · Korean journal of orthodontics · 2020

Included by

Effect of Direct Versus Indirect Bonding Techniques on Fixed Retainer Failure Rates: A Systematic Review and Meta-Analysis.
Non-Cochrane · intervention · 2026 · cited as Gelin 2020 · Table 1; Table 3; Figure 2
Outcome this study informsPooled effectEvidenceCertainty
Failure of mandibular fixed retainer
Indirect bonding of fixed retainer (laboratory based, including CAD/CAM) vs Direct (chairside) bonding of fixed retainer · Follow-up 6 to 60 months
HR 1.41 [1.12, 1.79]15 studies · 1481 participantsGRADE not reported
Effects of different orthodontic retainers on dental arch stability and periodontal health: a systematic review with pairwise meta-analysis and network meta-analysis.
Non-Cochrane · intervention · 2026 · cited as Gelin 2020 · Table 1; Ref 34

The review does not say which of its outcomes this study informs.

2 including reviews in total.