IADR Abstract Archives
New Liner/Base Material in a Novel Low-Waste Delivery System
Objectives: The aim of the study was to compare liner base materials offered in different delivery systems on the market with a new experimental hybrid Resin-Modified Glass-Ionomer (RMGI) liner/base material in a new Auto-mix delivery system (EXPmaterial) in respect of wasted material remaining in the application tip at each use. All these systems generate a certain amount of paste waste with each application. Sustainability is an important goal today.
Methods: 3 Different liners were used for the study. Waste was determined by weight. Weighting an empty mixer or application tip and weighting a used static mixer or application tip. Calculate the wasted material in the mixer by the weight difference. The test was repeated 10 times using a new application tip or mixer every time. Since waste volume is the more precise comparison, the densities of the materials have been measured to calculate the waste volume remaining in the application tips.
Results: The mean values for waste and resulting standard deviations and grouping are shown in the Table. Data was analyzed using one-way ANOVA with 95% confidence Tukey’s method.
The paste waste of the New EXP Syringe is 38,1±0,6µl whereas the paste waste of the compared one component material is 53,2±11,7µl and the paste waste of the compared two component automix material is 205,5±1,7µl.
Conclusions: The new EXP hybrid-RMGI Liner Base material produces significantly less paste waste than the other two materials. This is remarkable since the new material is a two component automix system and the compared material with the lowest waste is a one component system without a static mixer.
Methods: 3 Different liners were used for the study. Waste was determined by weight. Weighting an empty mixer or application tip and weighting a used static mixer or application tip. Calculate the wasted material in the mixer by the weight difference. The test was repeated 10 times using a new application tip or mixer every time. Since waste volume is the more precise comparison, the densities of the materials have been measured to calculate the waste volume remaining in the application tips.
Results: The mean values for waste and resulting standard deviations and grouping are shown in the Table. Data was analyzed using one-way ANOVA with 95% confidence Tukey’s method.
The paste waste of the New EXP Syringe is 38,1±0,6µl whereas the paste waste of the compared one component material is 53,2±11,7µl and the paste waste of the compared two component automix material is 205,5±1,7µl.
Conclusions: The new EXP hybrid-RMGI Liner Base material produces significantly less paste waste than the other two materials. This is remarkable since the new material is a two component automix system and the compared material with the lowest waste is a one component system without a static mixer.