STATEMENT OF PROBLEM The average clinical life span of a maxillofacial prosthesis is approximately 6 months, at which point it needs to be refabricated, mainly because of degradation of the color and physical properties of the prosthesis. PURPOSE This first part of a 3-part study evaluated the effect of coloring agents on the physical properties of maxillofacial elastomers. METHODS AND MATE...

The products of the reactions ethylene oxide with fatty alcohols, acids and amines are great industrial importance. They include surfactants, plasticizers insecticides. can be generally represented as oligomerization. Interaction between alcohols proceed in presence acidic well basic catalysts; main distinction being quantitative distribution reaction products. In catalysts rate increases molec...

The major goal of current research is to determine the general frequency buying organic food and elementary demographic features a typical consumer food. Six hundred participants different genders, ages, levels education, material marital statuses, incomes living areas were comprised. A Google questionnaire was used, in period from June December 2021, it sent 800 people, out whom 600 people fil...