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1.
Materials (Basel) ; 13(13)2020 Jun 28.
Article in English | MEDLINE | ID: mdl-32605174

ABSTRACT

This paper's primary aim is to outline relevant aspects regarding the biocompatibility of PMMA (poly(methyl methacrylate))-based materials used for obtaining interim prosthetic restorations, such as the interaction with oral epithelial cells, fibroblasts or dental pulp cells, the salivary oxidative stress response, and monomer release. Additionally, the oral environment's biochemical response to modern interim dental materials containing PMMA (obtained via subtractive or additive methods) is highlighted in this review. The studies included in this paper confirmed that PMMA-based materials interact in a complex way with the oral environment, and therefore, different concerns about the possible adverse oral effects caused by these materials were analyzed. Adjacent to these aspects, the present work describes several advantages of PMMA-based dental materials. Moreover, the paper underlines that recent scientific studies ascertain that the modern techniques used for obtaining interim prosthetic materials, milled PMMA, and 3D (three-dimensional) printed resins, have distinctive advantages compared to the conventional ones. However, considering the limited number of studies focusing on the chemical composition and biocompatibility of these modern interim prosthetic materials, especially for the 3D printed ones, more aspects regarding their interaction with the oral environment need to be further investigated.

2.
Ann Anat ; 219: 89-93, 2018 Sep.
Article in English | MEDLINE | ID: mdl-29621567

ABSTRACT

Saliva is currently used as a reliable diagnostic fluid in a wide range of local and systemic diseases. However, the link between salivary diagnosis and the inflammatory process in autoimmune diseases has not yet been explored. The aim of our study is to assess possible correlations between salivary inflammatory markers and systemic lupus erythematosus (SLE). Patients fulfilling the Systemic Lupus International Collaborating Clinics (SLICC) diagnosis criteria were included. Salivary and serum levels of interleukin-6 (IL-6), leptin, monocyte chemoattractant protein-1 (MCP-1) and plasminogen activator inhibitor-1 (PAI-1) were determined using stochastic sensors. Serum leptin and IL-6 had significantly higher levels in SLE patients compared to non-SLE. Also, salivary IL-6 levels highly correlated with the serum IL-6 levels. A positive correlation was found between salivary and serum levels of IL-6, signaling salivary IL-6 as a reliable marker for assessing the inflammation process in SLE.


Subject(s)
Chemokine CCL2/analysis , Interleukin-6/analysis , Leptin/analysis , Lupus Erythematosus, Systemic/diagnosis , Plasminogen Activator Inhibitor 1/analysis , Saliva/chemistry , Adult , Biomarkers/analysis , Biomarkers/blood , Case-Control Studies , Chemokine CCL2/blood , Female , Humans , Inflammation/diagnosis , Interleukin-6/blood , Leptin/blood , Lupus Erythematosus, Systemic/blood , Lupus Erythematosus, Systemic/metabolism , Middle Aged , Plasminogen Activator Inhibitor 1/blood , Pregnancy , Pregnancy Complications/diagnosis , Pregnancy Complications/metabolism , Serum/chemistry
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