Conceptual Model for Using Imidazoline Derivative Solutions in Pulpal Management

Alpha-adrenergic agonists, such as the Imidazoline derivatives (ImDs) of oxymetazoline and xylometazoline, are highly effective hemostatic agents. ImDs have not been widely used in dentistry but their use in medicine, specifically in ophthalmology and otolaryngology, warrants consideration for pulpal hemostasis. This review presents dental healthcare professionals with an overview of ImDs in medicine. ImD solutions have the potential to be more effective and biocompatible than existing topical hemostatic compounds in pulpal management. Through a comprehensive analysis of the pharmacology of ImDs and the microphysiology of hemostasis regulation in oral tissues, a conceptual model of pulpal management by ImD solutions is presented.

Synergistic inhibition effect of imidazoline derivative and potassium iodide on carbon steel corrosion in amidosulfuric acid solution

The mixture of 2-undecyl-N-carboxymethyl-N-hydroxyethly imidazoline (UHCI) with potassium iodide (KI) as a corrosion inhibitor for carbon steel in 8% amidosulfuric acid solution was investigated by weight loss test and electrochemical methods. Results show that the combined inhibitor strongly inhibits the corrosion of 20# carbon steel in amidosulfuric acid solution, and the mixture with the mass ratio (UHCI:KI) of 9:1 has the best corrosion inhibition at a total concentration of 0.4%. The impedance spectra of carbon steel electrodes change from one time constant into two time constants when the mixture inhibitor adds into the blank solution, while the polarization curves indicate that the mixture behaves as a mixed type inhibitor. The mixture is found to follow the Langmuir adsorption isotherm, and the mechanism is chemisorption.