RESEARCH OF THE BEHAVIOR OF GLASS IONOMERS CEMENTS UNDER THE OCCLUSAL STRESS

RESEARCH OF THE BEHAVIOR OF GLASS IONOMERS CEMENTS UNDER THE OCCLUSAL STRESS

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Title:	RESEARCH OF THE BEHAVIOR OF GLASS IONOMERS CEMENTS UNDER THE OCCLUSAL STRESS
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Article_Title:	RESEARCH OF THE BEHAVIOR OF GLASS IONOMERS CEMENTS UNDER THE OCCLUSAL STRESS
Authors:	Dr. Ioana Elena Lile1, Dr. Tiberiu Hosszu1, Dr. Paul Cornel Freiman1, Dr. Elisabeta Vasca1, Dr. Virgil Vasca1, Dr. Gag Otilia1, Dr. SzekeresCatalena1, Dr. Onet Melinda1, Dr. Ligia Vaida2
Affiliation:	1Western University "Vasile Goldis" of Arad , Faculty of Medicine, Pharmacy and Dental Medicine 2University of Oradea, Faculty of Medicine and Pharmacy, Dental Medicine II
Abstract:	In Pediatric practical dentistry, the dentist must take into account several factors such as morpho-structural peculiarities of temporary teeth, behavioral features of children, the clinical, physician performance and last but not least the quality of the chosen material Thus, we investigated the behavior of glass ionomers cements in occlusal stress by determining their mechanical properties. The study aims to determine the diametrical compressive strength values , which is one of the mechanical properties of filling materials, the strength of materials being useful in the research of occlusal forces exerted on the future restorations. The determination of values of the resistance in diametrical compression are important in choosing the materials for coronal restorations in cavities of first class and second class of Black at children. After a random choice of classes, we had used direct coronary restoration materials, selecting two glass ionomer cements, which then we have tested them to obtain comparative data, of the resistance for diametral compression.
Keywords:	glass ionomers, mechanical properties, compression diametrically, temporary teeth, coronary restoring
References:	[1] AMERICAN DENTAL ASSOCIATION, Specification n 66 for dental glass ionomer cements. Council on Dental Materials, Instruments and Equipment, J Am Dent Assoc, 119-205, 1989. [2] AMERICAN DENTAL ASSOCIATION. COUNCIL ON DENTAL MATERIAL. Specification no 27 for direct filling resins, J Amer Dent Ass 4:191-4, 1977. [3] AMERICAN NATIONAL STANDARDS INSTITUTE AND AMERICAN DENTAL ASSOCIATION. Specification no. 27: Resin-based filling materials. Chicago: American Dental Association; 1993. [4] AMERICAN SOCIETY FOR TESTING AND MATERIALS, D523-89(1999) standard test method for specular gloss, West Conshohocken, Pa.: American Society for Testing and Materials; 1999. [5] BRATU D. – Materilele dentare, Ed. a 2-a, Editura Helicon, Timișoara 1998 [6] BRATU E., GLAVAN F. – Practica Pedodontica, Ed. a 3-a, Editura Orizonturi Universitare, Timisoara 2004 [7] CÂRLIGERIU V., BOLD A.- Odontoterapia restauratoare, Ed. a 3-a, Ed. Mirton, Timișoara 2007 [8] CEFALY D.F.G. ET AL – Diametral tensile strength and water sorption of glass-ionomer cements used in atraumatic restorative treatment, J Appl Oral Sci 11: 96-101, 2003 [9] JIANU R., JIANU A., SZUHANEK C., GAVRILESCU A – Tratat de stomatologie pediatrică, Editura Artpress, Timișoara 2011 [10] MOUNT G.J., HUME W.R. – Preservation and Restoration of tooth structure, 2nd edition, Ed. Australia: Knowledge Books and and Software 2005
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Article Title:	RESEARCH OF THE BEHAVIOR OF GLASS IONOMERS CEMENTS UNDER THE OCCLUSAL STRESS
Authors:	Dr. Ioana Elena Lile1, Dr. Tiberiu Hosszu1, Dr. Paul Cornel Freiman1, Dr. Elisabeta Vasca1, Dr. Virgil Vasca1, Dr. Gag Otilia1, Dr. SzekeresCatalena1, Dr. Onet Melinda1, Dr. Ligia Vaida2
Affiliation:	1Western University "Vasile Goldis" of Arad , Faculty of Medicine, Pharmacy and Dental Medicine 2University of Oradea, Faculty of Medicine and Pharmacy, Dental Medicine II
Abstract:	In Pediatric practical dentistry, the dentist must take into account several factors such as morpho-structural peculiarities of temporary teeth, behavioral features of children, the clinical, physician performance and last but not least the quality of the chosen material Thus, we investigated the behavior of glass ionomers cements in occlusal stress by determining their mechanical properties. The study aims to determine the diametrical compressive strength values , which is one of the mechanical properties of filling materials, the strength of materials being useful in the research of occlusal forces exerted on the future restorations. The determination of values of the resistance in diametrical compression are important in choosing the materials for coronal restorations in cavities of first class and second class of Black at children. After a random choice of classes, we had used direct coronary restoration materials, selecting two glass ionomer cements, which then we have tested them to obtain comparative data, of the resistance for diametral compression.
Keywords:	glass ionomers, mechanical properties, compression diametrically, temporary teeth, coronary restoring
References:	[1] AMERICAN DENTAL ASSOCIATION, Specification n 66 for dental glass ionomer cements. Council on Dental Materials, Instruments and Equipment, J Am Dent Assoc, 119-205, 1989. [2] AMERICAN DENTAL ASSOCIATION. COUNCIL ON DENTAL MATERIAL. Specification no 27 for direct filling resins, J Amer Dent Ass 4:191-4, 1977. [3] AMERICAN NATIONAL STANDARDS INSTITUTE AND AMERICAN DENTAL ASSOCIATION. Specification no. 27: Resin-based filling materials. Chicago: American Dental Association; 1993. [4] AMERICAN SOCIETY FOR TESTING AND MATERIALS, D523-89(1999) standard test method for specular gloss, West Conshohocken, Pa.: American Society for Testing and Materials; 1999. [5] BRATU D. – Materilele dentare, Ed. a 2-a, Editura Helicon, Timișoara 1998 [6] BRATU E., GLAVAN F. – Practica Pedodontica, Ed. a 3-a, Editura Orizonturi Universitare, Timisoara 2004 [7] CÂRLIGERIU V., BOLD A.- Odontoterapia restauratoare, Ed. a 3-a, Ed. Mirton, Timișoara 2007 [8] CEFALY D.F.G. ET AL – Diametral tensile strength and water sorption of glass-ionomer cements used in atraumatic restorative treatment, J Appl Oral Sci 11: 96-101, 2003 [9] JIANU R., JIANU A., SZUHANEK C., GAVRILESCU A – Tratat de stomatologie pediatrică, Editura Artpress, Timișoara 2011 [10] MOUNT G.J., HUME W.R. – Preservation and Restoration of tooth structure, 2nd edition, Ed. Australia: Knowledge Books and and Software 2005
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