In Vitro Comparison of Tensile Bond Strengths for Orthodontic Adhesives Following Enamel Etching at Various Times and Phosphoric Acid Concentrations

In Vitro Comparison of Tensile Bond Strengths for Orthodontic Adhesives Following Enamel Etching at Various Times and Phosphoric Acid Concentrations PDF Author: Donald P. Wolfert
Publisher:
ISBN:
Category : Dental adhesives
Languages : en
Pages : 126

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Cumulated Index Medicus

Cumulated Index Medicus PDF Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1828

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Advances in Orthodontics

Advances in Orthodontics PDF Author:
Publisher:
ISBN:
Category : Orthodontics
Languages : en
Pages : 120

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Dental Hard Tissues and Bonding

Dental Hard Tissues and Bonding PDF Author: George Eliades
Publisher: Springer Science & Business Media
ISBN: 3540285598
Category : Medical
Languages : en
Pages : 201

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Book Description
This book comprehensively reviews bonding to enamel, dentin and cementum and analyses relevant adhesion mechanisms. It is addressed to both the dental researcher and the clinician. Emphasis is placed on the characterization of material interfaces with dental tissues in situ. The volume also stresses the importance of appropriate experimental protocol design in facilitating clinically-relevant research methods, clarifies the mechanisms of adhesion of polymeric materials to hard dental tissues and furnishes a handy reference for routine clinical procedures in restorative and prosthetic dentistry as well as orthodontics. The book introduces important aspects of the chemistry of dental materials and their adaptation to dental hard tissues. It also analyses interfacial phenomena occurring during application of materials, including mechanical properties, and structural-compositional alterations. The text presents the current instrumental approaches in studying related issues and a summary of the current status of theories concerning bonding to dental tissues. This work, in its scope and scientific content, provides an in-depth view of the way in which aesthetic dentistry is currently being practiced.

Tensile Bond Strength Compairson [i.e. Comparison] of Orthodontic Brackets Following Enamel Acid Etching and Carbon Dioxide Laser Etching

Tensile Bond Strength Compairson [i.e. Comparison] of Orthodontic Brackets Following Enamel Acid Etching and Carbon Dioxide Laser Etching PDF Author: Robert William Shafer
Publisher:
ISBN:
Category : Dental acid etching
Languages : en
Pages : 164

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Principles in Contemporary Orthodontics

Principles in Contemporary Orthodontics PDF Author: Silvano Naretto
Publisher: BoD – Books on Demand
ISBN: 9533076879
Category : Medical
Languages : en
Pages : 600

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Book Description
Orthodontics is a fast developing science as well as the field of medicine in general. The attempt of this book is to propose new possibilities and new ways of thinking about Orthodontics beside the ones presented in established and outstanding publications available elsewhere. Some of the presented chapters transmit basic information, other clinical experiences and further offer even a window to the future. In the hands of the reader this book could provide an useful tool for the exploration of the application of information, knowledge and belief to some orthodontic topics and questions.

Index Medicus

Index Medicus PDF Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 1612

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Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.

Orthodontic Materials

Orthodontic Materials PDF Author: Wiliam A. Brantley
Publisher: Thieme
ISBN: 1604060654
Category : Medical
Languages : en
Pages : 513

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Book Description
In this important new textbook all scientific and clinical aspects of orthodontic materials are described.Recent developments in science and technology have led to the introduction of a plethora of new orthodontic products. This work serves as an excellent source of information for a field that requires knowledge of basic elements of materials science, engineering, chemistry, and physics, as well as clinical orthodontics. The subject has been part of graduate orthodontic education for almost three decades. Besides servicing the orthodontic training programs, the book also - investigates the interactions of orthodontic materials with other dental materials as well as hard tissues in the oral cavity,- gives a background to allow for proper material selection for efficient orthodontic mechanics,- treats the issues of biocompatibility, cytotoxicity and mutagenicity of materials.

Impact of Different Acid Etching Time on Microtensile Bond Strength to Vital Dentin

Impact of Different Acid Etching Time on Microtensile Bond Strength to Vital Dentin PDF Author: Aadarsh Gopalakrishna
Publisher:
ISBN:
Category : Dental adhesives
Languages : en
Pages : 140

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Objectives: This study evaluated the effects of extended acid etching on microtensile bond strength ([micro]TBS) of a etch and rinse adhesive system to sound vital dentin. Etching times of 5, 20 and 80 seconds was used to evaluate the [micro]TBS on vital dentin with resin bonded composite [RBC] restoration (Esthet-X TM) which used a two step etch and rinse adhesive system(Prime Bond NT TM) for bonding. Methods: 26 premolars which were going to be extracted for orthodontic treatment were used for this experiment. The teeth were randomly divided into 3 groups based on the etch times and restored with RBC using two step adhesive and extracted in Guarulhos University (Brazil). After extraction, these teeth were sectioned (Microtome) in such a way to obtain 2 testing beams of 2mm diameter from each tooth were obtained which were trimmed (CNC specimen former, University of Iowa, IA, USA) to a dumb bell shape and tested for the microtensile bond strength in University of Iowa. Out of 26 teeth, 46 beams were obtained. For statistical analysis, One-way ANOVA with post-hoc Tukey-Kramer's test was used to determine whether there were significant differences in micro-tensile bond strength among three etching times under each condition. All tests had a 0.05 level of statistical significance. SAS for Windows (v9.1, SAS Institute Inc, Cary, NC, USA) was used for the data analysis. Fracture mode was analyzed using scanning electron microscopy. Results: Bond strengths in 20 seconds and 5 seconds groups were significantly greater than that observed in 80 seconds group, while there was no significant difference between 20 and 5 etching times. SEM showed majority of the failure was adhesive/ joint failure. Significance: The results in this In-vivo study are consistent with other in-vitro studies and thus bring an insight on the importance of duration of phosphoric acid application on dentin and extended etch times could compromise the bond strength of the restorations.

A Comparison of in Vitro Shear Bond Strengths of Orthodontic Bonding Units Following Use of a Conventional Acid-etch, and a Crystal-forming Enamel Modifier

A Comparison of in Vitro Shear Bond Strengths of Orthodontic Bonding Units Following Use of a Conventional Acid-etch, and a Crystal-forming Enamel Modifier PDF Author: David Sidney Basser
Publisher:
ISBN:
Category : Dental bonding
Languages : en
Pages : 112

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