Aligner Material & Safety
Straight cut or scalloped aligners: which should I choose?
Scalloped is the default recommendation and is more comfortable for most patients. Straight cut maximises force expression and is the better choice where you need torque and root control. The two options Straight cut, finishing around 2mm above the ...
Patient reports a possible allergic reaction to their aligner
True allergy to polyurethane is extremely rare. Localised irritation is almost always an ulcer or a pressure point. What matters clinically is whether the reaction is localised or widespread. Localised irritation One tooth, or one area of the palate, ...
Answering patient concerns about plastics and PFAS
OneSmile aligners contain no PFAS, no BPA and no latex. Independent biocompatibility testing has been carried out and the documents are available if a patient wants to see them. What the testing covers In vitro cytotoxicity, using the elution method. ...
What material are OneSmile aligners made from?
Polyurethane. They are free of BPA, latex and PFAS, biocompatibility has been independently tested, and the aligner is a TGA registered medical device in Australia. The detail Material: polyurethane. Free of BPA, latex and PFAS. Non-irritating and ...