Primary study · included by 1 review

Eissa 2018

ProbableThe reviews cited this study without a PMID, DOI or NCT, so it is matched by first author and year. Two different studies by the same author in the same year could be merged here.

Included by

Adverse effects of removable orthodontic aligners: A systematic review with single-arm meta-analysis.

Non-Cochrane · intervention · 2026 · cited as Eissa 2018 · Table 1

Outcome this study informs	Pooled effect	Evidence	Certainty
Plaque Index change (Silness-Loe 0-3) Removable (clear) orthodontic aligners (aligner arm only) vs None (single-arm meta-analysis) · 3 months	Mean change 0.23 [-0.49, 0.95]	3 studies · 87 participants	Low
Plaque Index change (Silness-Loe 0-3) Removable (clear) orthodontic aligners (aligner arm only) vs None (single-arm meta-analysis) · 3 months	Mean change 0.23 [-0.49, 0.94]	3 studies · 87 participants	GRADE not reported
Apical root resorption (linear, mm) Removable (clear) orthodontic aligners (aligner arm only) vs None (single-arm meta-analysis) · 18 months	Mean change -0.69 [-0.96, -0.41]	2 studies · 89 participants	GRADE not reported

1 including review in total.