Comparison of the mechanical properties and depth of cure of bulk-fill and bioactive composite resins

Authors

  • Carlos Manuel Ríos-Angulo Universidad Nacional de Trujillo, Escuela de Posgrado. Trujillo, Perú.
  • Marco Cesar Ríos-Caro Universidad Nacional de Trujillo, Facultad de Medicina. Trujillo, Perú. https://orcid.org/0000-0001-9382-767X
  • Teresa Etelvina Ríos-Caro Universidad Nacional de Trujillo, Facultad de Estomatología. Trujillo, Perú. https://orcid.org/0000-0002-2069-8675

DOI:

https://doi.org/10.20453/reh.v35i1.6247

Keywords:

hardness, polymerization, composite resins

Abstract

Objective: To compare in vitro the mechanical properties and depth of cure of bioactive bulk-fill resins versus bulk-fill composite resins. Materials and methods: An in vitro experimental study was conducted with 48 blocks of three types of resin. Each block received a load of 500 g for 30 seconds and was photopolymerized with a VALO® Cordless-Ultradent unit (1500 mW/cm2) for 4 seconds. Microhardness was evaluated using the Vickers hardness test, employing a calibrated LG® HV-1000 hardness tester. For statistical analysis, the Student's t-test and the non-parametric Kruskal-Wallis test were applied, considering statistical significance if p < 0.05. Results: The bioactive resin Beautifil® Bulk (BB) showed the highest microhardness, reaching a mean value of 55.1 VH (p < 0.01), followed by the resins Tetric® N-Ceram Bulk Fill (TNCBF) with 44.9 VH and Tetric® N-Flow Bulk Fill (TNFBF) with 28.8 VH. The TNFBF bulk-fill resin showed the highest compressive strength, with a mean of 222.4 MPa (p < 0.01), compared to 173.5 MPa for the TNCBF moldable resin and 129.7 MPa for the flowable BB resin. All three resins achieved a homogeneous mean curing depth of 4.0 mm (p > 0.05). Conclusions: The BB bioactive resin showed greater microhardness compared to moldable and flowable bulk-fill resins, while the TNFBF flowable bulk-fill resin showed the highest compressive strength. All three resins had similar values in terms of curing depth.

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Author Biographies

Carlos Manuel Ríos-Angulo, Universidad Nacional de Trujillo, Escuela de Posgrado. Trujillo, Perú.

Carlos Manuel Ríos Angulo, nacido en Trujillo, Perú el 09 de mayo de 1991. Cirujano Dentista,  egresado de la Universidad Privada Antenor Orrego en 2014. Especialista en Rehabilitación Oral por la Universidad Nacional de Trujillo en 2017. Maestro en Estomatología  por la Escuela de Posgrado de la Universidad Nacional de Trujillo 2018 , Doctorando en Estomatología en la EPG de la Universidad Nacional de Trujillo. Practica privada activa. Email carlosrsk8@hotmail.com, telefono +51 949323065. ORCID  0000-0002-2445-1653 

 

 

  

 

Marco Cesar Ríos-Caro, Universidad Nacional de Trujillo, Facultad de Medicina. Trujillo, Perú.

Marco Cesar Rios Caro, nacido en Huamachuco , La Libertad; Medico Cirujano  egresado de la Universidad Nacional del Nordeste , Argentina. Medico cirujano de Essalud de 1987 al 2022; profesor del Departamento de Morfología de la Facultad de Medicina  de la Universidad Nacional de  Trujillo  desde  1984. Maestro en Educación con mención  Didactica de la Educación Superior por la Universidad Antenor Orrego en 2005 y  Doctor en Medicina por la Universidad Nacional de Trujillo en 2018.

Email: mriosc@unitru.edu.pe

ORCID: 0000-0001-9382-767X

 

Teresa Etelvina Ríos-Caro, Universidad Nacional de Trujillo, Facultad de Estomatología. Trujillo, Perú.

   

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Published

2025-03-31

How to Cite

1.
Ríos-Angulo CM, Ríos-Caro MC, Ríos-Caro TE. Comparison of the mechanical properties and depth of cure of bulk-fill and bioactive composite resins. Rev Estomatol Herediana [Internet]. 2025 Mar. 31 [cited 2025 Apr. 4];35(1):47-55. Available from: http://44.198.254.164/index.php/REH/article/view/6247

Issue

Vol. 35 No. 1 (2025): Enero-marzo

Section

ARTICLE

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Copyright (c) 2025 Teresa Etelvina Rios Caro, Carlos Manuel Rios _Angulo, Marco Cesar Rios-Caro

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