The Australian Dental Association have expressed their concern at the “downward trend” of teeth whitening treatments done by professionals as teeth whitening outside of professional supervision increases. According to ADA’s survey on a sample of 25,000 Australian adults, only “1 in 3 adults whitening their teeth and the supervision of a dental professional.” Whilst teeth whitening has increased to 22 percent in respondents–an 8 percent increase since the ADA started tracking this data, professional treatments have become a “downward trend.” ADA stated that for those that get professional whitening treatments, only 14 percent opt for in-clinic whitening whilst the majority, 19 percent use take-home kits. For the two-thirds of Australian that do not undergo professional whitening, 39 percent use a kit bought online, 16 percent use over the counter and 9 percent use whitening services provided by someone other than a dental professional. Whitening products contain peroxides, often in the …