Related Experiment Video
Updated: May 9, 2025
Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
Published on: December 20, 2024
A Comparative In Vitro Study of Materials for Provisional Restorations Manufactured With Additive (3Dprinting),
Dimitrios Pallis1, Aspasia Pachiou1, Maria Dimitriadi2
1Department of Prosthodontics, School of Dentistry, National and Kapodistrian University of Athens, Athens, Greece.
Objective:
To compare the mechanical, chemical, and surface properties of three materials used for provisional restorations, manufactured with additive (3D-printing), subtractive (milling), and conventional techniques.
Materials And Methods:
Three material groups were tested: (a) GC TempPRINT, (3D-printed/3DP), (b) VITA CAD-Temp, (milled/ML), and (c) Telio CS C&B, (conventional self-cured/CC). Each group consisted of 20 beam-shaped specimens (25 × 2 × 2 mm) used for a three-point flexural strength test and 5 discs (Ø:15 mm, h: 2 mm) used for surface roughness, gloss, degree of conversion, and hardness measurements. Data were analyzed using one-way ANOVA and Holm-Sidak multiple comparison tests (α = 0.05).
Results:
The ranking of the statistically significant differences (p < 0.05) was: 3DP >CC > ML (Sdr roughness parameter), ML >CC > 3DP (gloss) and ML > 3DP> CC (gloss, degree of conversion, hardness and flexural strength).
Clinical Significance:
The tested materials showed statistically significant differences in all tested properties. These differences may affect their clinical performance and should be taken into consideration for their clinical application.
