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Restorative Dentistry

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Digital versus conventional impressions for fixed prosthodontics: A systematic review and meta-analysis

This summary is based on the article published in The Journal of Prosthetic Dentistry: Digital versus conventional impressions for fixed prosthodontics: A systematic review and meta-analysis (August 2016) Context  In the fabrication of fixed multi- or single unit dental restorations, the accuracy of marginal and internal fit are integral to the long-term success of the crowns. Discrepancies in the internal fit can adversely affect the seating of the crown as well as the marginal fit. Typically, an impression captures the restorations’ margins and their internal aspects. Nowadays, impressions can be made using conventional impression materials such as polyether or polyvinyl siloxane or ...

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The Future of Restorative Dentistry

Dr. Harald Heymann joined Dr. John O’Keefe on this conversation about the future of restorative dentistry. Read the highlights and enjoy the audio conversation! Highlights In this video, Dr. John O’Keefe speaks to Dr. Harald Heymann about the way restorative dentistry may be practiced in the future. While there are advances and improvements in the field of restorative dentistry with respect to adhesives, cements and restorative materials, there is little expectation that there will be any profound changes in this area. Thus far, digital technology has had the biggest impact on dentistry to date from radiography, smile design, implants, digital ...

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Distinct Oral Neutrophil Subsets Define Health and Periodontal Disease States

Dr. Michael Glogauer, from the Faculty of Dentistry at the University of Toronto, recently published an article in the Journal of Dental Research titled: Distinct Oral Neutrophil Subsets Define Health and Periodontal Disease States. In this interview Dr. Glaogauer gives further details about this research and its significance for dentistry.  Highlights Neutrophils exit the vasculature and swarm to sites of inflammation and infection. However, these cells are abundant in the healthy, inflammation-free human oral environment, suggesting a unique immune surveillance role within the periodontium. We hypothesize that neutrophils in the healthy oral cavity occur in an intermediary parainflammatory state that allows them to interact ...

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Managing Carious Lesions: Consensus Recommendations on Carious Tissue Removal

This is a summary of the article published in Advances in Dental Research (May 2016) titled “Managing Carious Lesions: Consensus Recommendations on Carious Tissue Removal.” F. Schwendicke , J.E. Frencken , L. Bjørndal , M. Maltz , D.J. Manton , D. Ricketts , K. Van Landuyt , A. Banerjee , G. Campus , S. Doméjean, M. Fontana, S. Leal12, E. Lo, V. Machiulskiene, A. Schulte, C. Splieth, A.F. Zandona, and N.P.T. Innes Read the full text (PDF) Highlights The International Caries Consensus Collaboration undertook a consensus process and here presents clinical recommendations for carious tissue removal and managing cavitated carious ...

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What Are the Uses, Advantages, and Disadvantages of Composite Resins?

Composite resins are  excellent esthetic restorative materials. Composite materials are available in various shades to match the esthetic requirements of individual restorations. Even though, composite restorations are highly technique sensitive, they demonstrate good clinical longevity if placed with care. The various uses of composites include: Esthetic tooth-colored restoration in the anterior region Diastema closure Improving/modifying tooth size and shape Masking discolored teeth via composite veneering For luting and core build-up Orthodontic bracket adhesive Advantages The advantages of composite restorations are: Excellent esthetics Conservation of tooth structure Good longevity Can be repaired Bonds to tooth structure Complex tooth preparation needed Economic ...

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What should one consider when preparing a tooth for an all-ceramic restoration? How do I cement an all-ceramic restoration?

Preparation for all ceramic restoration requires sufficient tooth reduction to provide adequate space for porcelain, a definite finish line and smooth and rounded line angles to reduce stress concentration within the ceramic material. Adequate tooth reduction can be achieved by utilizing a silicone putty reduction guide, depth grooves, known dimension burs and measurements of temporary restorations. All-ceramic restoration margins can be placed either supragingival or equigingival as they areexcellent tooth-colored esthetic materials. Tooth preparation guidelines Axial reduction of 0.8-1mm. Occlusal reduction 2mm. Incisal reduction 1.5-2mm. Chamfered or rounded shoulder finish line. Maximum taper of 6 degree. No undercuts. No box ...

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CDA Oasis Conversations: Finding the Missing Link: Periodontal Disease and Cardiovascular Disease

Drs. Liran Levin and Maria Febbraio spoke with Dr. John O’Keefe about the latest research done at the University of Alberta’s School of Dentistry about the missing link between periodontal disease and cardiovascular disease. Watch the interview Dr. Liran Levin Dr. Levin is the Head of the Periodontology Division at the Faculty of Medicine and Dentistry, University of Alberta, Canada. He is also a visiting professor at the Harvard School of Dental Medicine, Boston, MA. Dr. Levin was the Head of Research at the School of Dentistry, Rambam Health Care Campus, and Faculty of Medicine – Technion IIT Haifa, Israel. Dr. ...

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What are some common mistakes that dentists make when performing surgical extractions?

Surgical extractions involve the removal of a tooth after elevation of a soft tissue flap, removal of bone with or without sectioning of the tooth. At times, surgical extractions may be less traumatic and more conservative than non-surgical extractions. However, there also instances when surgical extractions may not proceed as planned. Some common mistakes that are made during these procedures are listed below. Even after evaluation of the tooth and the determination that a surgical extraction is indicated, dentists may still try to use forceps to remove the tooth. This can result in coronal fractures which may be helpful in ...

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