Dental and composite resin discoloration induced by different hydraulic calcium silicate-based cements

two-year in vitro assessment

Authors

  • Lucas Santos de Jesus Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Departmento de Odontologia - Endodontia, Florianópolis, SC
  • Tiago Lopes dos Santos Reis Universidade do Porto, Faculdade de Odontologia, Departmento de Prótese Fixa, Porto http://orcid.org/0000-0003-1893-4998
  • Bernardo Guerra Mendonça de Melo Machado Universidade do Porto, Faculdade de Odontologia, Departmento de Prótese Fixa, Porto
  • Ana Luísa Monteiro da Costa Universidade do Porto, Faculdade de Odontologia, Departmento de Prótese Fixa, Porto
  • Julia Menezes Savaris Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Departmento de Odontologia - Endodontia, Florianópolis, SC
  • Claudia Angela Maziero Volpato Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Departmento de Odontologia - Endodontia, Florianópolis, S
  • Eduardo Antunes Bortoluzzi University of Louisville, Department of Diagnosis & Oral Health - Endodontics Division, Louisville
  • Cleonice da Silveira Teixeira Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Departmento de Odontologia - Endodontia, Florianópolis, SC https://orcid.org/0000-0002-0139-8159
  • Paula Cristina dos Santos Vaz Fernandes Universidade do Porto, Faculdade de Odontologia, Departmento de Prótese Fixa, Porto, Portugal
  • Lucas da Fonseca Roberti Garcia Universidade Federal de Santa Catarina, Centro de Ciências da Saúde, Departmento de Odontologia - Endodontia, Florianópolis, SC http://orcid.org/0000-0002-8724-0124

DOI:

https://doi.org/10.1590/1678-7757-2022-0444%20%20

Keywords:

Hydraulic calcium silicate-based cement, Mineral trioxide aggregate, Color difference, Tooth discoloration, Composite resins

Abstract

Few long-term studies assess the discoloration induced by hydraulic calcium silicate-based cement on dental structures. In addition, as far as we know, no long-term study has assessed the discoloration induced by these cement on composite resin. Objective: This in vitro study aimed to assess, during a period of two years, the discoloration potential of different hydraulic calcium silicate-based cements (hCSCs) on the enamel/dentin structure and composite resin restoration. Methodology: A total of 40 enamel/dentin discs were obtained from bovine incisors, and 40 composite resin discs (10 mm in diameter × 2 mm thick) were fabricated. A 0.8 mm-deep cavity was made in the center of each disc and filled with the following hCSCs (n=10): Original MTA (Angelus); MTA Repair HP (Angelus); NeoMTA Plus (Avalon); and Biodentine (Septodont). An initial color measurement was performed (T0 - baseline). After 7, 15, 30, 45, 90, 300 days, and two years, new color measurements were performed to determine the color (ΔE00), lightness (ΔL’), chroma (ΔC’), hue differences (ΔH’), and whiteness index (WID). Results: For enamel/dentin, the ΔE00 was significant among groups and periods (p<0.05). NeoMTA Plus had the greatest ΔE00. The NeoMTA Plus group had the greatest ΔE00 after two years for composite resin. Significant reduction in lightness was observed for all groups after two years (p<0.05). The most significant WID values were observed after 30 days for Biodentine (enamel/dentin) and MTA Repair HP groups (composite resin) (p<0.05). Conclusions: The hCSCs changed the colorimetric behavior of both substrates, leading to greater darkening over time. The Bi2O3 in the Original MTA seems relevant in the short periods of color change assessment.

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Published

2023-05-02

Issue

Section

Original Articles

How to Cite

Dental and composite resin discoloration induced by different hydraulic calcium silicate-based cements: two-year in vitro assessment. (2023). Journal of Applied Oral Science, 31, e20220444. https://doi.org/10.1590/1678-7757-2022-0444