ODONTO aligners have smooth & scalloped edges and are more comfortable than most other aligner brands.ODONTO aligners are clearer than most aligner brands and our material is stain resistant to keep the aligner transparent & invisible. ODONTO aligners are planned & designed by orthodontist with a collective experience of more than 50,000 orthodontic cases. Our plans are faster & effective.ODONTO Aligners are BPA, mercury, latex and phthalate free