Evaluation of surface roughness of restorative dental composites: influence of depth cure, time and storage medium

Authors

DOI:

https://doi.org/10.33448/rsd-v10i11.19323

Keywords:

Composite resins; Polymerization; Surface properties.

Abstract

Bulk-Fill resin composites have gained popularity because their incremental insertion of up to 5.0 mm thickness, achieved through the composition, allowing an adequate degree of conversion. The reduced degree of conversion may alter the properties of dental composites as well as surface roughness. To evaluate the influence of polymerization depth, time and storage media on the hydrolytic degradation of restorative dental composites using surface roughness test. Twenty specimens were prepared for each material (Filtek Z250 XT, Filtek Bulk Fill e Tetric N-Ceram Bulk Fill) using two matrices with a central cavity of 5.0 mm in diameter and a thickness of 2.0 mm. 10 p.s. for each immersion medium (water and ethanol 75%) and depth of polymerization of 2.0 and 4.0 mm, for evaluation of surface roughness. After each storage period (24 hours, 90 days and 180 days) the surface roughness analysis was performed in Profilometer. After 24 hours and 90 days of storage, Filtek Z250 showed increased roughness with increasing polymerization depth. Filtek Bulk Fill showed significantly higher surface roughness when compared to Tetric N-Ceram Bulk Fill in all storage periods and immersion media. After 180 days, there was an increase of roughness for all materials, depths and storage medium evaluated. All materials show an increase in the surface roughness over time, probably due to hydrolytic degradation.

Author Biographies

Beatriz Araújo Suassuna Vaz, Federal University of Paraiba

Graduated in Dentistry from the Federal University of Paraíba

Renally Bezerra Wanderley e Lima, Faculdade Nova Esperança

Master and Doctor in Dental Materials from the Faculty of Dentistry of Piracicaba (FOP-UNICAMP), with a sandwich period at the Faculty of Dentistry-University of Toronto, Canada. Professor at Faculdade Nova Esperança in the disciplines of Biomaterials, Dentistry and Integrated Clinic. Postgraduate student in Dentistry and Prosthodontics. Professor of the Professional Master's Degree in Family Health at FACENE.

Ana Karina Maciel de Andrade, Universidade Federal da Paraíba

Graduated in Dentistry from the Federal University of Rio Grande do Norte (2000), improvement and specialization in Restorative Dentistry from ABO/RN (2000-2002), Master's degree in Dental Clinics (concentration area: Dentistry) from the Federal University of Rio Grande do Norte (2003) and Ph.D. in Dentistry from FOP (UPE). She is Adjunct Professor IV at the Federal University of Paraíba, where she teaches the curricular components Pre-Clinical Dentistry and Integration Clinic Periodontics / Endodontics / Dentistry / Prosthodontics.

Sônia Saeger Meireles , Federal University of Paraiba

Associate Professor at the Federal University of Paraíba. Doctor and Master in Restorative Dentistry by the Postgraduate Program in Dentistry at the Federal University of Pelotas/RS. She works as a professor in the Dental Materials I and II disciplines of the Department of Restorative Dentistry of the Health Sciences Center at UFPB, and develops activities in the Graduate Program in Dentistry (collaborating professor) at UFPB.

Fábia Danielle Sales Cunha Medeiros e Silva, Federal University of Paraiba

Professor of Dental Prosecution course at the Federal University of Paraíba, possible graduation in Dentistry from the Federal University of Paraíba, Specialization in Dental Prosecution and Collective Health, Graduated in Dentistry also from the UFPB and documented in Science and Engineering of the UFCG.

Laryssa Mylenna Madruga Barbosa, Federal University of Paraiba

Student in Dentistry at the Federal University of Paraíba.

João Vitor do Nascimento Santos, Faculdade Nova Esperança

Undergraduate in Dentistry at the Faculty Nova Esperança

Hermano Nóbrega Macedo Neto, Faculdade Nova Esperança

Undergraduate in Dentistry at the Faculty Nova Esperança

Rosângela Marques Duarte, Universidade Federal da Paraíba

Studied dentistry at the Federal University of Paraíba, residency in dentistry at Forp/Usp and a master's degree in dental materials at Unicamp. The doctorate in dental materials [piracicaba] from the State University of Campinas. Full Professor of the Department of Restorative Dentistry at the Federal University of Paraíba, where she works in the field of dentistry, with an emphasis on dental materials

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Published

24/08/2021

How to Cite

VAZ, B. A. S. .; LIMA, R. B. W. e .; ANDRADE, A. K. M. de; MEIRELES , S. S. .; SILVA, F. D. S. C. M. e . .; BARBOSA, L. M. M.; SANTOS, J. V. do N. .; MACEDO NETO, H. N. .; DUARTE, R. M. . Evaluation of surface roughness of restorative dental composites: influence of depth cure, time and storage medium. Research, Society and Development, [S. l.], v. 10, n. 11, p. e85101119323, 2021. DOI: 10.33448/rsd-v10i11.19323. Disponível em: https://rsdjournal.org/index.php/rsd/article/view/19323. Acesso em: 6 may. 2025.

Issue

Vol. 10 No. 11

Section

Health Sciences

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Copyright (c) 2021 Beatriz Araújo Suassuna Vaz; Renally Bezerra Wanderley e Lima; Ana Karina Maciel de Andrade; Sônia Saeger Meireles ; Fábia Danielle Sales Cunha Medeiros e Silva; Laryssa Mylenna Madruga Barbosa; João Vitor do Nascimento Santos; Hermano Nóbrega Macedo Neto; Rosângela Marques Duarte

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