Evaluation of Surface Characteristics and Cytotoxicity of Dental Composites
Source abstract
Abstract
The purpose of this study was to evaluate the surface and in vitro cytotoxicity on human dysplastic oral keratinocytes (DOK) of four commercial resins-based dental composites commonly used in prosthodontics dental therapies: two indirect composites for crown and bridges—SR Adoro (IvoclarVivadent GmbH) and Solidex (Shofu Dental GmbH); and two dual-curing luting resin cements—RelyxUnicem (3M ESPE Dental Products) and Variolink Esthetic DC (IvoclarVivadentGmbH). A complex assessment of surface characteristics of the four materials was conducted before and after the exposure to artificial saliva through various analyses, such as Scanning Electron Microscopy, Atomic Force Microscopy and Cross Polarized Light Microscopy (PLM). The results showed that DOK viability was not severely affected by exposure to any of these materials; however, Variolink expressed higher values but still above the toxicity level of the rest of the composites. The analysis of the surface structure between initial and artificial saliva exposed specimens returned a compact aspect in both categories and although Variolink and Relyx were subjected to increased roughness after saliva exposure, no damage of the internal compactness was recorded, demonstrating a fair behavior of the luting cements in contact with the saliva.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Dental materials and restorations · Dental Implant Techniques and Outcomes · Orthodontics and Dentofacial Orthopedics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Prosthodontics and Dental Materials, Iuliu Haţieganu University of Medicine and Pharmacy, 32 Clinicilor St., 400006 Cluj-Napoca, Romania
Department of Physiology, Iuliu Haţieganu University of Medicine and Pharmacy, 1 Clinicilor St., 400006 Cluj-Napoca, Romania
Deparatment of Preventive Dental Medicine, Iuliu Haţieganu University of Medicine and Pharmacy, 31 AvramIancu St., 400083 Cluj-Napoca, Romania
Faculty of Chemistry and Chemical Engineering, Babes-Bolyai University, 11 Arany Janos St., 400084 Cluj-Napoca, Romania
Department of Polymer Composites, Babes-Bolyai University, Raluca Ripan Institute for Research in Chemistry, 30 Fantanele St., 400294 Cluj-Napoca, Romania
14 Department, Orthopedics, Anesthesia and Intensive Care (AIC), University of Medicine and Pharmacy Carol Davila Bucharest, 8 Eroii Sanitari St., 050474 Bucharest, Romania
Orthopedics and Traumatology Department, Bucharest Emergency University Hospital, 169 Splaiul Independentei St., 050098 Bucharest, Romania
Department of Dermatology, Iuliu Hatieganu University of Medicine and Pharmacy, 1 Clinicilor St., 400006 Cluj-Napoca, Romania
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