Primary study · included by 1 review

Pendse 2025

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

From Polyethylene Terephthalate Glycol (PETG) to 3D-Printed Resins: A Systematic Review and Meta-Analysis of Clear Aligner Material Performance and Safety.

Non-Cochrane · intervention · 2026 · cited as Pendse 2025 · Table 4; reference [17]

Outcome this study informs	Pooled effect	Evidence	Certainty
Cytotoxicity classification Clear aligner materials	Proportion (%) 21.4 [8.8, 43.5]	2 studies	GRADE not reported
Cytotoxicity event rate (logit) Thermoplastic aligner materials (PETG, PET, PU) tested on human gingival cells vs No comparator (single-group event rate) · Not applicable	Logit event rate -1.30 [-2.34, -0.26]	2 studies	GRADE not reported

1 including review in total.