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Antimicrobial potential of bioactive resin composites in caries management: a s...

Lopes, Sara; Lopes, Pedro C.; Fidalgo-Pereira, Rita; Flores-Fraile, Javier; Veiga, Nélio; Gomes, Ana T. P. C.

Introduction: Secondary caries is the leading cause of failure in resin composite restorations due to biofilm accumulation. Bioactive resin composites (BRCs) release ions that promote remineralization and inhibit bacterial growth. This review compares microbial adhesion and antimicrobial effectiveness between BRCs and conventional resin composites. Methods: A systematic search was conducted in databases PubMed,...


Toxicity of resin-matrix composites in a dental clinical setting

Cordeiro, Maria; Souza, Julio C. M.; Gomes, Ana T. P. C.; Correia, Patricia; Fidalgo-Pereira, Rita

The aim of this study was to perform a systematic review to comprehensively explore the factors contributing to the resin-matrix composites′ toxicity in patients. A systematic review was performed according to the PRISMA guidelines. The bibliographic review was performed in the following databases: PubMed, Cochrane Central and Web of Science. Inclusion and exclusion criteria were established to retrieve article...


Comparison between tooth-derived matrix and DBBM granules on an enhanced bone h...

Cifreda, Victor; Fidalgo-Pereira, Rita; Henriques, Bruno; Teughels, Wim; Özcan, Mutlu; Souza, Júlio C. M.

Purpose of the Review: The purpose of this study was to perform a scoping review on the comparison between tooth-derived matrix and demineralized bovine bone mineral (DBBM) granules for enhanced bone healing. Recent Findings: Previous studies reported micro-scale pores in dentin-matrix granules due to the remnant dentin that promote the adsorption of proteins and bioactive molecules. It should be highlighted th...


White spot lesion treatment options: a systematic review of different technique...

Lamorgese, Michela; Veiga, Nélio; Correia, Maria J.; Gomes, Ana T. P. C.; Lopes, Sara; Lopes-Rocha, Lígia; Fidalgo-Pereira, Rita; Lopes, Pedro C.

White spot lesions (WSLs) are early clinical stages of enamel demineralization, often related to orthodontic treatment or poor oral hygiene. The use of gels such as fluoride for topical application inhibits demineralization and promotes remineralization of dental tissues through various mechanisms. A variety of therapeutic approaches are available; however, recent research indicates that combined treatment stra...


A review of different techniques for masking white spot lesions in pediatric pa...

Lamorgese, Michela; Fidalgo-Pereira, Rita; Gomes, A. P. C.; Veiga, Nélio; Lopes, Sara; Correia, Maria; Lopes, Pedro



Adhesive interface of resin-matrix composite and cements for restorative dentis...

Fidalgo-Pereira, Rita; Carvalho, Óscar Samuel Novais; Catarino, Susana Oliveira; Souza, Júlio C. M.

Objective: The objective of the present study was to assess adhesive interface of resin-matrix composites for restorative dentistry. Methods: Resin-matrix composites blocks reinforced with 89 wt % of inorganic particles were sectioned in blocks with thickness of 2 and 3 mm. Different commercially available flowable resin-matrix composites and cements were assessed. The cementation of resin-matrix composites spe...


Toxicity of resin-matrix composites in dentistry

Cordeiro, Maria; T. P. C. Gomes, Ana; Fidalgo-Pereira, Rita; Correia, Patrícia

Background: Resin-matrix composites (RMC) are widely used as restorative materials due to their mechanical, optical, and aesthetic properties. However, some concerns have emerged due to polymerization shrinkage, material degradation, and the release of monomers from the organic matrix, such as the derivatives of bisphenol A (BPA), which are potentially toxic [1-3]. Therefore, it is important to understand the f...

Date: 2024   |   Origin: Scientific Letters

Light transmittance through resin-matrix composite onlays adhered to resin-matr...

Fidalgo-Pereira, Rita; Catarino, Susana Oliveira; Carvalho, Óscar Samuel Novais; Veiga, Nélio; Torres, Orlanda; Braem, Annabel; Souza, Júlio C. M.

Objective: The aim of this study was to evaluate the influence of the thickness of resin-matrix composite blocks manufactured by CAD-CAM on the light transmittance towards different resin-matrix cements or flowable composites. Methods: Sixty specimens of resin-matrix composite CAD-CAM blocks reinforced with 89 wt% inorganic fillers were cross-sectioned with 2 or 3 mm thicknesses. The specimens were conditioned ...


Toxicity of resin-matrix composites in dentistry

Cordeiro, Maria; Gomes, Ana T. P. C.; Fidalgo-Pereira, Rita; Correia, Patrícia


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