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Transactions: WSEAS TRANSACTIONS ON BIOLOGY AND BIOMEDICINE
Transactions ID Number: 53-456
Full Name: Stoia Adelina Elena
Position: Assistant Professor
Age: ON
Sex: Female
Address: University of Medicine and Pharmacy "Victor Babes" Timisoara, Faculty of Dentistry, Bd. Revolutiei din 1989 Nr 9
Country: ROMANIA
Tel: +40727857709
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E-mail address: adelinaelenastoia@yahoo.com
Other E-mails: adelina_elena_stoia@yahoo.com
Title of the Paper: A different approach of the manufacturing method used to demonstrate the effect of halogenated organic compounds and aromatic hydrocarbons to the composite teeth denture base resin tensile strength.
Authors as they appear in the Paper: Adelina Elena Stoia, Mircea Pielmisi, Anca Tudor, Bandur Gheza, Mihai Rominu
Email addresses of all the authors: adelinaelenastoia@yahoo.com
Number of paper pages: 20
Abstract: Abstract:- The evaluation of the efficiency of the organic compounds used in this study, to the composite teeth denture base resin tensile strength represents the main purpose of this study. For this reason 50 large size artificial composite molars (Ivoclar-Vivadent) were used to mille 50 composite cylinders. The cylinders were randomly assigned in five experimental groups, so that 10(ten) cylinders were part of the each one of the 5 experimental groups. The flat milled surfaces of the cylinders, representing the bonding areas were submitted to a different treatment. Group 1:(control group), Group 2: Methylene chloride, Group 3: Ethylene chloride, Group 4: Benzene Group 5: Toluene. The chemical treatment procedures were realized using organic solvents with 98, 9% chemical purity. Self-cured denture base repair resin (Duracryl – Spofa Dental) was used for the bonding test specimens manufacturing, according to the ADA specification No. 15. Each specimen was stored fo!
r 30 days in distilled water and tensile tested at a speed of 1 mm/min. The mean values of the tensile bond strength test registered were statistically significant among groups, ranging from 13, 41 MPa (group 2) to 25,70 MPa ( group 1). The results of this study suggest the fact that the chemical treatment with the organic solvents mentioned above generates not a statistically significant improvement to the adhesion of the composite teeth to the denture base resin.
Keywords: Benzene, Composite teeth, Denture base resin, Ethylene chloride, Metlylene chloride, Polymers, Tensile strength, Toluene.
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