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Assessing the Penetrating Abilities of Experimental Preparation With Dental Infiltrant Features Using Optical Microscope: Preliminary Study

Assessing the Penetrating Abilities of Experimental Preparation With Dental Infiltrant Features Using Optical Microscope: Preliminary Study

Małgorzata Skucha-Nowak, Agnieszka Machorowska-Pieniążek, Marta Tanasiewicz

Adv Clin Exp Med. Sep-Oct 2016;25(5):961-969.

PMID: 28028962

Abstract:

Background:
The aim of the infiltration technique is to penetrate demineralized enamel with a low viscosity resin. Icon® (DMG) is the first ever and so far the only dental infiltrant. Bacteriostaticity is one of the properties that should be inherent in dental infiltrants, but Icon lacks this feature.
Objectives:
The aim of the preliminary study was to properly choose a dye which would allow us to assess the penetrating abilities of our own, experimental preparation with features of a dental infiltrant with bacteriostatic properties and to compare using an optical microscope the depth of infiltration of the designed experimental preparation with the infiltrant available on the market.
Material and methods:
The preparation is supposed to infiltrate decalcified human enamel and be assessed with an optical microscope. Eosin, neutral fuchsine and methylene blue were added to experimental preparation with dental infiltrant features and to Icon® (DMG) in order to assess the depth of penetration of the experimental solution into the decalcified layers of enamel.
Results:
The experimental solution mixes well with eosin, neutral fuchsine, and methylene blue.
Conclusions:
During the preliminary study, the authors concluded that the experimental solution mixes well with methylene blue, neutral fuchsine, and eosin. An addition of eosin to a preparation which infiltrates inner, demineralized enamel layers, facilitates the assessment of such a preparation with an optical microscope. A designed experimental solution with the main ingredients, i.e., 2-hydroxyethyl methacrylate (HEMA) and tetraethylene glycol dimethacrylate (TEGDMA) with a ratio of 75% to 25% penetrates the demineralized (decalcified) inner parts of the enamel and polymerizes when exposed to light. In order to assess the infiltration of the experimental solution into the demineralized enamel layers, it is required to improve the measurement techniques that utilize optical microscopy.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP109171	Tetraethylene glycol dimethacrylate		109-17-1	Price

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