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Restorative Dentistry

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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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What strategies may be implemented for bleach-induced tooth sensitivity?

A patient reports tooth sensitivity during the initial phase of tooth-whitening procedures, what strategies may be implemented? Pulpal penetration of peroxide, dehydration, and tray-related tooth movements have been implicated in bleach-induced tooth sensitivity. This sensitivity is transient and generally dissipates within a short time. Strategies Decreasing the contact intervals may be a start, using 1-hour instead of 2-hour contact times or even every other day. Decreasing the concentration of the product chosen, 10% or less carbamide peroxide rather than higher levels, is a second choice. It has been reported that not pre-brushing the teeth decreases sensitivity without undue impairment in ...

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Reviewing and comparing strategies for treating pit-and-fissure lesions in permanent teeth

This summary is based on the article published in Dental Research Journal: Treating Pit-and-Fissure Caries: A Systematic Review and Network Meta-analysis (April 2015) Schwendicke, A.M. Jäger, S. Paris, L.Y. Hsu, and Y.K. Tu Context For shallow or moderately deep pit-and-fissure lesions, various treatment options are available: Noninvasive treatments (e.g., fluoride application, antibacterial treatments, oral hygiene advice) avoid any dental hard tissue removal; Micro-invasive treatments (e.g., sealing) remove only a few micrometers of hard tissues by etching; and Minimally invasive methods (e.g., “preventive” resin/sealant restoration) remove carious dentin but avoid sacrificing sound tissues. Purpose of the article Systematically review and compare ...

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How accurate are visual methods in detecting carious lesions? A systematic review

This summary is based on the article published in Dental Research Journal: Visual Inspection for Caries Detection: A Systematic Review and Meta-analysis (July 2015) Gimenez, C. Piovesan, M.M. Braga, D.P. Raggio, C. Deery, D.N. Ricketts, K.R. Ekstrand, and F.M. Mendes Context Caries detection in daily clinical practice is primarily performed by visual inspection (Bader et al. 2002) because it is a simple technique with no additional costs. Nevertheless, visual examination has some shortcomings, mainly related to its subjective nature (Braga et al. 2010), since examiners can demonstrate inconsistency in the interpretation of clinical characteristics of carious lesions (Bader et al. ...

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Clinical Decision-making for Caries Management in Children: An Update

This summary is based on the article published in Pediatric Dentistry: Clinical Decision-making for Caries Management in Children: An Update (March/April 2015) Rebecca L. Slayton, DDS, PhD Context Decision-making regarding the management of caries in children is governed by many factors, including the child’s age, caries risk, perceived motivation of the child and caregiver to comply with oral health recommendations, and current oral health status of the child. Dental caries continues to be one of the most common chronic diseases of childhood. Medical management of this disease has the potential to decrease the burden of disease in the most vulnerable ...

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Does the sugar found in medications increase the risk of caries?

This summary is based on the article published in the Journal of the American Dental Association: Sugar content, cariogenicity, and dental concerns with commonly used medications (February 2015) Mark Donaldson, BSP, RPH, PharmD, FASHP, FACHE Jason H. Goodchild, DMD Joel B. Epstein, DMD, MSD, FRCD(C), FDS, RCS(Edin) Courtesy of the American Dental Association, you can access the full-text article for the next 3 months here (PDF) Context Oral adverse events such as cariogenicity are often overlooked as drug-associated effects because the sugar content of many medications may be negligible compared with the patients’ overall dietary intake of sugar. There are, ...

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