Effect of Light-Cure Initiation Time on Polymerization and Orthodontic Bond Strength with a Resin-Modified Glass-Ionomer

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (747 download)

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Book Synopsis Effect of Light-Cure Initiation Time on Polymerization and Orthodontic Bond Strength with a Resin-Modified Glass-Ionomer by : Jess Thomas

Download or read book Effect of Light-Cure Initiation Time on Polymerization and Orthodontic Bond Strength with a Resin-Modified Glass-Ionomer written by Jess Thomas and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction: The polymerization and acid-base reactions in resin-modified glass-ionomers (RMGI) are thought to compete with and inhibit one another. The objective of this study was to examine the effect of visible light-cure (VLC) delay on the polymerization efficiency and orthodontic bond strength of a dual-cured RMGI. Methods: An RMGI light-cured immediately, 2.5, 5, or 10 minutes after mixing comprised the experimental groups. Isothermal and dynamic temperature scan differential scanning calorimetry (DSC) analysis of the RMGI was performed to determine extents of VLC polymerization and acid-base reaction exotherms. Human premolars (n = 18/group) were bonded with the RMGI. Shear bond strength and adhesive remnant index (ARI) scores were determined. Results: DSC results showed the 10 minute delay RMGI group experienced significantly (P 0.05) lower VLC polymerization compared to the other groups. Acid-base reaction exotherms were undetected in all groups except the 10 minute delay group. No significant differences (P0.05) were noted among the groups for mean shear bond strength. A chi-square test showed no significant difference (P = 0.428) in ARI scores between groups. Conclusions: Delay in light-curing may reduce polymerization efficiency and alter the structure of the RMGI, but orthodontic shear bond strength does not appear to be compromised.

TEXTBOOK OF ORTHODONTICS - E-Book

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Publisher : Elsevier Health Sciences
ISBN 13 : 8131240363
Total Pages : 780 pages
Book Rating : 4.1/5 (312 download)

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Book Synopsis TEXTBOOK OF ORTHODONTICS - E-Book by : Sridhar Premkumar

Download or read book TEXTBOOK OF ORTHODONTICS - E-Book written by Sridhar Premkumar and published by Elsevier Health Sciences. This book was released on 2015-07-09 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an effort to step up with the present changing scenarios of learning. It is the fruition of striking a balance between rejuvenated fundamentals of classical manuscripts, the fresh knowledge rich curriculum and tailored resource package with outstanding transparencies. It combines the strong foundation of basic core elements of orthodontic concepts, proper diagnosis and recognition of problems and exposure to treatment strategies and methodologies. It is a definite book for all dental undergraduates and an excellent supplement for all students undergoing postgraduate specialist training in orthodontics. Covers syllabi prescribed by Dental Council of India (DCI) and International schools of dentistry Provides more than 1500 line arts, flowcharts, tables and clinical photographs for easy perception of the subject and to illustrate vital principles and techniques Chapters contain Clinical Significance boxes that encourage readers to relate and channelize the theory knowledge into clinical practice Learning Exercises furnished in each chapter facilitates the students to assess themselves and reflect on what had been learnt Synopsis of Treatment Planning for Different Malocclusions, the last chapter serves not only as a guide to recap the depth and breadth of factual comprehension but also to promote analysis, evaluation and judgment in orthodontic treatment philosophies

Orthodontics - E-Book

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Publisher : Elsevier Health Sciences
ISBN 13 : 0323069932
Total Pages : 1106 pages
Book Rating : 4.3/5 (23 download)

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Book Synopsis Orthodontics - E-Book by : Lee W. Graber

Download or read book Orthodontics - E-Book written by Lee W. Graber and published by Elsevier Health Sciences. This book was released on 2011-06-16 with total page 1106 pages. Available in PDF, EPUB and Kindle. Book excerpt: A leading orthodontics reference, Orthodontics: Current Principles and Techniques, 5th Edition provides the latest information from the best experts in the field. It reflects today's emerging techniques, including new information on esthetics, genetics, cone-beam and other three-dimensional technologies, and evidence-based treatment. Coverage of diagnosis and treatment ranges from basic to highly complex situations, all in a concise, extensively illustrated format. Also included with this edition is a companion website that includes an electronic version of all chapters, supplemental content in select chapters, and a complete image collection to help with research and presentations. Written by Lee W. Graber, Robert L. Vanarsdall Jr., and Katherine W. L. Vig, along with a team of expert contributors, this is your go-to book for the practical orthodontic information you can use every day. Comprehensive coverage includes foundational theory and the latest on materials and techniques used in today's practice. Full-color photographs make it easy to see and distinguish the subtle differences that are necessary to mastering treatment planning. More than 2,500 images include a mixture of radiographs, clinical photos, and anatomic or schematic line drawings, showing examples of treatments, techniques, and outcomes. Detailed case studies guide you through the decision-making process, showing the consequences of various treatment techniques over time. Extensive references cite the latest in orthodontic research, so it's easy to follow up on evidence-based information. Authoritative research is provided by a team of three experienced, renowned authors/editors along with a team of worldwide experts. Cutting-edge content includes the latest concepts and techniques in orthodontics, including new coverage of temporary anchorage devices, self-ligating bracket biomechanics, clear aligner treatments, technological advances in imaging, and lasers. Improved organization separates topics into six parts and 29 chapters, enhancing both learning and research. Chapter outlines serve as a handy reference tool for practitioners and researchers. New lead author Dr. Lee Graber adds a fresh perspective to the experience of authors Drs. Robert Vanarsdall Jr., and Katherine W. L. Vig. Access to a companion website includes an electronic version of all chapters, plus case studies, a complete image collection, and supplemental content.

Polymerization with the Argon Laser

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Publisher : National Library of Canada = Bibliothèque nationale du Canada
ISBN 13 :
Total Pages : 58 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Polymerization with the Argon Laser by : Nazir Lalani

Download or read book Polymerization with the Argon Laser written by Nazir Lalani and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1998 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this study was to determine the efficiency of an argon laser in polymerizing a light cure orthodontic adhesive. Metal brackets were bonded to 37 buccal and 148 lingual surfaces of 185 premolars. Five groups of 37 premolars were cured as follows: Light 40 seconds buccal, light 40 seconds lingual, laser 5 seconds lingual, laser 10 seconds lingual and laser 15 seconds lingual. All bonded specimens were placed in distilled water for 30 days at 37$\sp\circ$C and thermal cycled for 24 hours. The brackets were detached using a shear load on an Instron machine and the site of bond failure was examined under 10X magnification.

BONDING IN ORTHODONTICS

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Publisher : Book Rivers
ISBN 13 : 9355152744
Total Pages : 196 pages
Book Rating : 4.3/5 (551 download)

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Book Synopsis BONDING IN ORTHODONTICS by : DR.ARCHANA KUMARI

Download or read book BONDING IN ORTHODONTICS written by DR.ARCHANA KUMARI and published by Book Rivers. This book was released on 2022-03-14 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: The evolution of orthodontic materials in the past 5 decades has been a unique progress curve characterized by periods of intense activity with many developments followed by long quiescent intervals. An example of the delay in adopting the advances in dentistry might well be illustrated by the acid-etching technique, which was introduced in the mid 1950s1 and became universally accepted in the 1960s. It took more than a decade for this practice to become standard procedure in orthodontics on a large scale. Infact, orthodontic bonding has advanced more in last 10 years than previous 25. In the past decade, we have witnessed unprecedented progress in bonding to enamel with various materials techniques and auxiliaries involving glass ionomer bonding, self-etching primers, and new, powerful light-curing sources, along with self-ligating brackets and a different treatment concept, the Invisalign technique.

Glass-Ionomers in Dentistry

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Publisher : Springer
ISBN 13 : 3319226266
Total Pages : 161 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Glass-Ionomers in Dentistry by : Sharan K. Sidhu

Download or read book Glass-Ionomers in Dentistry written by Sharan K. Sidhu and published by Springer. This book was released on 2015-10-20 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: This concise handbook covers all aspects of glass-ionomer cements, from the development of these materials in the early 1970s through to the current state of the art. Their physical, chemical, biological, and clinical properties are described as well as how their formulation and usage have evolved over time, giving rise to newer subcategories of the parent materials. Detailed coverage is provided on the clinical use of glass-ionomer cements in restorative and pediatric dentistry and in widely taught and practiced newer approaches, including atraumatic restorative treatment and minimal intervention dentistry. The authors are internationally acclaimed experts who present information in an easy-to-follow format that will appeal to readers. With the renewed worldwide quest for substitute materials for the more traditional amalgam, glass-ionomer cements have the potential for further development and may play a significant role in future trends.​

Clinical Trial of Orthodontic Bonding Agents

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Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Clinical Trial of Orthodontic Bonding Agents by : Andrew Tringas

Download or read book Clinical Trial of Orthodontic Bonding Agents written by Andrew Tringas and published by . This book was released on 1998 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effect of Curing Light Source on Shear Bond Strength and Degree of Conversion Over Time of an Orthodontic Adhesive

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ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (173 download)

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Book Synopsis The Effect of Curing Light Source on Shear Bond Strength and Degree of Conversion Over Time of an Orthodontic Adhesive by : Barton L. Carter

Download or read book The Effect of Curing Light Source on Shear Bond Strength and Degree of Conversion Over Time of an Orthodontic Adhesive written by Barton L. Carter and published by . This book was released on 2006 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Investigation of the Effects of Moisture Contamination on the Bond Strength of a Resin Modified Glass Ionomer Cement when Bonding Orthodontic Brackets to Porcelain

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Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.:/5 (357 download)

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Book Synopsis An Investigation of the Effects of Moisture Contamination on the Bond Strength of a Resin Modified Glass Ionomer Cement when Bonding Orthodontic Brackets to Porcelain by : Jennifer L. Martin

Download or read book An Investigation of the Effects of Moisture Contamination on the Bond Strength of a Resin Modified Glass Ionomer Cement when Bonding Orthodontic Brackets to Porcelain written by Jennifer L. Martin and published by . This book was released on 1996 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effect of Delayed Polymerization Time and Bracket Manipulation on Orthodontic Bracket Bonding

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ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.:/5 (911 download)

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Book Synopsis Effect of Delayed Polymerization Time and Bracket Manipulation on Orthodontic Bracket Bonding by : Michael J. Ponikvar

Download or read book Effect of Delayed Polymerization Time and Bracket Manipulation on Orthodontic Bracket Bonding written by Michael J. Ponikvar and published by . This book was released on 2014 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study examined the effect of bracket manipulation in combination with delayed polymerization times on orthodontic bracket shear bond strength and degree of resin composite conversion. Orthodontics brackets were bonded to extracted third molars in a simulated oral environment after a set period of delayed polymerization time and bracket manipulation. After curing the bracket adhesive, each bracket underwent shear bond strength testing followed by micro-Raman spectroscopy analysis to measure the degree of conversion of the resin composite. Results demonstrated the shear bond strength and the degree of conversion of ceramic brackets did not vary over time. However, with stainless steel brackets there was a significant effect (p ≤ 0.05) of delay time on shear bond strength between the 0.5 min and 10 min bracket groups. In addition, stainless steel brackets showed significant differences related to degree of conversion over time between the 0.5 min and 5 min groups, in addition to the 0.5 min and 10 min groups. This investigation suggests that delaying bracket adhesive polymerization up to a period of 10 min then adjusting the orthodontic bracket may increase both shear bond strength and degree of conversion of stainless steel brackets while having no effect on ceramic brackets.

The Effect of the Blue Light Diode Laser on Shear-peel Bond Strength of Orthodontic Brackets with Varying Curing Time and Distance

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (83 download)

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Book Synopsis The Effect of the Blue Light Diode Laser on Shear-peel Bond Strength of Orthodontic Brackets with Varying Curing Time and Distance by : Kamran Shaikh

Download or read book The Effect of the Blue Light Diode Laser on Shear-peel Bond Strength of Orthodontic Brackets with Varying Curing Time and Distance written by Kamran Shaikh and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Background: Light cured composite resin can be time consuming for bonding orthodontic brackets. A new Blue light diode laser may reduce curing times for composite resins. Hypothesis: The laser will achieve similar bond strengths in half the time and at greater distances as the LED. Methods: 90 extracted premolars will be bonded and cured using Laser and LED curing units at varying times, another 120 extracted premolars will be bonded and cured at varying distances. An Instron machine will be used to test shear bond strength. Results: The laser was not able to achieve similar bond strengths as the LED curing light in half of the curing time. At 5 seconds, the laser had 35% lower bond strengths but was still in the clinically acceptable range. The laser achieved similar bond strengths when the curing tip was at greater distances as when it was close to the bracket-adhesive-tooth interface.

Cumulated Index Medicus

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ISBN 13 :
Total Pages : 1796 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Cumulated Index Medicus by :

Download or read book Cumulated Index Medicus written by and published by . This book was released on 2000 with total page 1796 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Study of Composite Resin Polymerization Using Argon Laser Vs. Conventional Light for Orthodontic Bracket Placement

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Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis A Study of Composite Resin Polymerization Using Argon Laser Vs. Conventional Light for Orthodontic Bracket Placement by : Karson Alan Kupiec

Download or read book A Study of Composite Resin Polymerization Using Argon Laser Vs. Conventional Light for Orthodontic Bracket Placement written by Karson Alan Kupiec and published by . This book was released on 1999 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effects of Delayed Polymerizaton Time and Bracket Manipulation on Orthodontic Resin Modified Glass Ionomer Adhesive

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Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (936 download)

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Book Synopsis Effects of Delayed Polymerizaton Time and Bracket Manipulation on Orthodontic Resin Modified Glass Ionomer Adhesive by : Danielle Wiggins Gilbert

Download or read book Effects of Delayed Polymerizaton Time and Bracket Manipulation on Orthodontic Resin Modified Glass Ionomer Adhesive written by Danielle Wiggins Gilbert and published by . This book was released on 2015 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Effect of Curing Light Source on Polymerization Contraction Stress and Degree of Conversion Over Time in an Orthodontic Adhesive

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Publisher :
ISBN 13 :
Total Pages : 92 pages
Book Rating : 4.:/5 (173 download)

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Book Synopsis The Effect of Curing Light Source on Polymerization Contraction Stress and Degree of Conversion Over Time in an Orthodontic Adhesive by : Kari K. Borgen

Download or read book The Effect of Curing Light Source on Polymerization Contraction Stress and Degree of Conversion Over Time in an Orthodontic Adhesive written by Kari K. Borgen and published by . This book was released on 2006 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Effect of Dental Operatory Light Settings on the Polymerization of a Light-cured Orthodontic Composite Resin

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Publisher :
ISBN 13 :
Total Pages : 204 pages
Book Rating : 4.:/5 (166 download)

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Book Synopsis Effect of Dental Operatory Light Settings on the Polymerization of a Light-cured Orthodontic Composite Resin by : Anaita Nalladaru Mullasseril

Download or read book Effect of Dental Operatory Light Settings on the Polymerization of a Light-cured Orthodontic Composite Resin written by Anaita Nalladaru Mullasseril and published by . This book was released on 2007 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Feasibility of Bonding Orthodontic Brackets to Laser Treated Enamel Surfaces

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Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Feasibility of Bonding Orthodontic Brackets to Laser Treated Enamel Surfaces by : Zvi Kantorowitz

Download or read book The Feasibility of Bonding Orthodontic Brackets to Laser Treated Enamel Surfaces written by Zvi Kantorowitz and published by . This book was released on 1998 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: