Evaluating Cost-effectiveness and Mixing Efficacy for Elastomeric and Temporary Restorative Material Using Two Mixing...

Area of Science:

• Dental Materials Science
• Materials Engineering
• Biomaterials

Background:

• Accurate mixing of dental impression and restorative materials is crucial for clinical success.
• Traditional double helical mixing tips are widely used but may have limitations in material efficiency.
• New T-mixer tips have been developed, necessitating a comparison with existing methods.

Purpose of the Study:

• To compare the mixing efficacy and cost-effectiveness of new T-mixer tips versus standard double helical tips.
• To evaluate these tips for light-body elastomeric impression materials and temporary/interim restorative materials.
• To utilize scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDS) for detailed analysis.

Main Methods:

• Automixed samples (n=16) were divided into four groups based on tip type (Helical, T-mixer) and material (elastomer, temporary restorative).
• SEM and EDS analyses were performed on sample surfaces and cross-sections to assess homogeneity.
• Detail reproduction and surface roughness tests were also conducted for comprehensive evaluation.

Main Results:

• SEM and EDS analyses revealed no significant difference in mixing efficacy between T-mixer and helical tips for both materials.
• T-mixer tips demonstrated significantly better cost-effectiveness (p=0.021) for both material types.
• Groups using T-mixer tips resulted in less material waste compared to those using helical tips.

Conclusions:

• T-mixer tips provide equivalent mixing efficacy to helical tips for elastomeric and temporary restorative materials.
• T-mixer tips are a more cost-effective option for clinicians, reducing material costs.
• The findings support T-mixer tips as a beneficial alternative for dental professionals seeking efficiency and economy.