Short-term chemical and physical changes in invisalign appliances

OBJECTIVE: To investigate the short-term optical, chemical and morphological changes in Invisalign appliances. METHODS: One ‚as-received‘ Invisalign aligner, one ‚as-received‘ Invisalign aligner immersed in artificial saliva for 14 days and 10 Invisalign aligners worn by 10 randomly selected patients for 14 days were used. […]

Aust Orthod J. 2009 May;25(1):34-40
Gracco A, Mazzoli A, Favoni O, Conti C, Ferraris P, Tosi G, Guarneri MP
Department of Orthodontics, University of Ferrara, Italy

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Cytotoxicity and estrogenicity of Invisalign appliances

INTRODUCTION: Our purpose was to study the in-vitro cytotoxic and estrogenic properties of Invisalign appliances (Align Technology, Santa Clara, Calif). METHODS: Three sets, each consisting of a maxillary and a mandibular appliance, of as-received aligners were immersed in normal saline solution for 2 months. […]

Am J Orthod Dentofacial Orthop. 2009 Jul;136(1):100-3
Eliades T, Pratsinis H, Athanasiou AE, Eliades G, Kletsas D
Department of Orthodontics, School of Dentistry, Aristotle University of Thessaloniki, Thessaloniki, Greece

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