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The study evaluated the mechanical, tribological, and cytocompatibility properties of silver nanoparticles and titanium dioxide nanoparticles reinforced into polymethyl methacrylate resin. Both nanoparticles were separately ball-milled with polymethyl methacrylate, and a conventional compression molding technique prepared samples in a thermostatically controlled water bath. Samples were analyzed for flexural strength, polishability, three-body abrasive wear, surface hardness, and cytotoxicity. The fracture mechanics and surface roughness were further analyzed using a field emission scanning electron microscope. Most properties showed improvement at the said concentration compared to the control group, while few did not show property enhancement.The cell proliferation and viability were not compromised. Within study limits, silver nanoparticles and titanium dioxide nanoparticles reinforced polymethyl methacrylate resin positively influenced the dental polymer to a certain extent.The nanocomposite is cytocompatible at the tested concentrations. Prereaction of the polymer, treating nanoparticles with coupling agents, determining an optimal additive size and concentration, and use of effective dispersion technique may further enhance the properties of the nanocomposites.

Oral diseases play a serious challenge to public health around the world. When left untreated, both the mouth and also the remaining the body would be adversely affected by oral diseases. Different treatment modalities are available for various dental diseases, but the most downside of those modern drug treatments are the frequent side effects related to their use. This has contributed to renewing interest in the development of novel plant-derived anti-infective natural compounds. Curcumin is an anti-inflammatory agent that occurs naturally, with different biological and medicinal properties. It has proven anti-inflammatory, antioxidant, antimicrobial, hepato-protective, immuno-stimulant, antiseptic, and anti-mutagenic properties. Due to these properties, it is especially useful in dentistry for the treatment of periodontal diseases and oral cancers. Turmeric can also be utilized in alternative treatments as a pit and fissure sealant, mouthwash and subgingival irrigant. Its gel form can even be used as a local drug delivery system. It is evaluated with a view to mitigate the human diseases, particularly in cancer and its potential to reduce cancer risk. Curcumin has only negligible side effects such as diarrhoea, diarrhoea, allergic skin reaction, gastric pain. The objective of this article is to review the efficacy and therapeutic properties of curcumin in maintaining oral health.

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