About this Abstract |
| Meeting |
MS&T24: Materials Science & Technology
|
| Symposium
|
Society for Biomaterials: Biomaterial Applications
|
| Presentation Title |
C-13: Mechanical Properties of 3D Printed Dental Resins in Different Orientations |
| Author(s) |
Bernardo Chichierchio, Bruno Martins de Souza , Isabelle Santos Moura, Carolina De Assis Pinto Ferreira, Carlos Nelson Elias |
| On-Site Speaker (Planned) |
Bernardo Chichierchio |
| Abstract Scope |
The present work aims to analyze the influence of the orientation of the 3D printing layers on the mechanical strength and morphology of the dental resin used in temporary dental prosthesis. Discs with a diameter of 15 mm and a thickness of 1.5 mm were designed using CAD design software (INLAB CAD 22) than were printed with commercial dental resin Primeprint Temp Dentsply Sirona. Therefore, to evaluate the mechanical resistance of the discs, compression tests and surface roughness were performed. The samples with vertical positioning had higher resistance than the samples printed horizontally and angled . The arithmetic mean roughness parameter (Ra) shows that the highest roughness (1.46 ìm) was found in the vertically printed specimens, despite of the significantly higher compressive strength. This result shows that the Ra parameter alone is not an adequate parameter to analyze compressive strength, since the change between layers allows observing the edges of the steps and establishing greater surface roughness. |