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Cytotoxicity evaluation of different clear aligner materials using MTT analysis Cover

Cytotoxicity evaluation of different clear aligner materials using MTT analysis

Australasian Orthodontic Journal
Volume 38 (2022): Issue 2 (July 2022)
By: ,  ,   and    
Open Access
|Nov 2022
Figures & tables

Figures & Tables

Table I.

Clear aligner brands and their contents.

BrandMaterial contentSupplier
DuranPolyethylene terephalate glycol (PETG)Scheu-Dental GmbH
Essix C+Polypropylene/ethylene copolymer (>95%), stabilizers (<5%)Raintree Essix, Inc.
Smart TrackPolyurethane from methylene diphenyl diisocyanate and 1,6-hexanedial, AdditivesAlign Technology, Inc.
ZenduraPolyurethane resinBay Materials LLC
TaglusPolyethylene terephthalate glycol (PETG)Laxmi Dental Export
Zendura FlxCopolyester and Polyurethane resinBay Materials LLC
Table II.

Cell proliferation obtained from MTT analysis.

Clear alignernMean±SD (Min-Max)Kruskal Wallis Test Statistic** pa** pb*** pc** pd** pe
Duran692.625±26.345
(53.15–124.59)		p=0.001*
Essix C+694.947±8.543
(81.29–103.82)		1.000
Smart Track687.662±5.535
(78.01–93.03)		1.0001.000
Zendura667.31±16.209
(38.13–81.01)		0.3970.4561.000
Taglus6113.183±7.459
(104.51–123.77)		0.9370.8270.0850.001
Zendura Flx6106.922±12.765
(83.75–120.35)		1.0001.0000.5980.0111.000

1* p indicates the differences between groups.

2** Post-hoc binary group comparisons according to Dunn-Bonferroni test: a — Differences between Duran, b — Differences between Essix C+, c — Differences between Smart Track, d — Differences between Zendura, e — Differences between Taglus.

Figure 1.

Percentile score distribution of cell proliferation of primary gingival fibroblasts obtained from MTT analysis in clear aligner groups.

DOI: https://doi.org/10.2478/aoj-2022-0034 | Journal eISSN: 2207-7480 | Journal ISSN: 2207-7472
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Language: English
Page range: 348 - 354
Submitted on: Feb 1, 2022
Accepted on: Sep 1, 2022
Published on: Nov 21, 2022
Published by: Australian Society of Orthodontists Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Related subjects:
Medicine,
Basic medical science,
Basic medical science, other

© 2022 Esra Cifci Ozkan, Gulay Dumanli Gok, Nazli Ece Ordueri, Tugba Elgun, published by Australian Society of Orthodontists Inc.
This work is licensed under the Creative Commons Attribution 4.0 License.

Volume 38 (2022): Issue 2 (July 2022)
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