Thickness of orthodontic clear aligners after thermoforming and after 10  days of intraoral exposure: a prospective clinical study

ConclusionConsidering the thickness changes, the thermoforming process is reliable both with active and passive aligner configurations. Also, the CA examined show good thickness stability after physiological intraoral ageing in a population of healthy adults.
Source: Progress in Orthodontics - Category: Dentistry Source Type: research