First Feedback on a New Universal Adhesive – A Noninterventional Study

Objectives: To assess the satisfaction among dentists with a new universal adhesive (ADH19, 3M) in a first clinical evaluation.
Methods: The research was conducted via a web-based survey which was administered after a trial period of 8 weeks. Participants of the test received a kit containing 5ml vial of ADH19, 20 unit-dose ADH19 and accessories. Participants were asked to use ADH19 in their clinical routine following the instructions for use and to rate overall and handling satisfaction and performance against their currently used preferred adhesive. 300 dentists from Europe had been pre-selected to take part in this evaluation during the testing period (August to October 2019). Quantified responses for satisfaction rating with ADH19 (handling and compared to preferred adhesive) were analyzed using descriptive statistics (Minitab18, Minitab Inc., USA).
Results: Up to now 65 participants answered the questionnaire. About 3500 direct and 500 indirect restorations were placed. Quantified responses on 5-level even-point-scales (coding: 1=not satisfied at all/ADH19 much worse, 3=neutral, 5=very satisfied/ADH19 much better) were statistically analyzed and are summarized in table 1.
Data showed that satisfaction with ADH19 was rated very high (mean overall=4.5 ±0.9; mean handling=4.5±0.9) and ADH19 was rated better than preferred adhesive (mean overall=3.6±0.7; mean handling=3.6±0.9). Median of results for satisfaction and for comparison was 5 and 4, respectively, for both current users of 3M™ Scotchbond™ Universal (SBU) and other adhesives (see Tab 1).
Conclusions: Dentists stated high satisfaction levels overall and with handling of ADH19. Data on comparison of ADH19 to their currently used adhesive showed that there is no difference in rating between users of SBU and users of competitive products.