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Dental Specialties

What are some dental considerations in managing pediatric patients with leukemia?

Commentary by Dr. Mike Casas, Sickkids Hospital, University of Toronto For children with leukemia, the oral cavity can be a source of bleeding and infection as a consequence of leukemia or the chemotherapy prescribed to treat it. Good oral health can mitigate the risks of leukemia and chemotherapy as well as improve oral comfort during therapy. Kholoud et al. recommend treating all teeth likely to produce complications 10-14 days prior to chemotherapy. Oncology teams are unlikely to wait to start chemotherapy until after the mouth is optimized. Improved outcomes for leukemia have been demonstrated for patients receiving expedited chemotherapy. It ...

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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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Exploring Xerostomia in the Elderly with Dr. Aviv Ouanounou

Dr. Aviv Ouanounou explores with Dr. Suham Alexander the topic of xerostomia in the elderly patient.  Video Highlights Xerostomia or dry mouth is a common condition that occurs in the elderly population. In xerostomia, salivary flow is reduced. Because saliva has several important functions in the oral cavity including but not limited to antimicrobial effects, digestion, swallowing and speech, decreased salivary flow has many important implications. Prevalence in the elderly ranges from 45-50% compared to 10-14% in the general population 3 main causes in the elderly Use of non- and prescription medications Medical conditions such as salivary gland disorders (Sjogren’s syndrome), ...

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How does orthodontic tooth movement impact endodontic treatment and the outcome?

Teeth undergoing orthodontic tooth movement may require endodontic treatment which could be related or unrelated to orthodontic treatment. However, it is always preferable to try to foresee and treat the tooth endodontically prior to beginning orthodontics for some of the following reasons: Pulpal or periradicular pain can be masked by discomfort associated with that of tooth movement. Once fixed appliances are placed on teeth, rubber dam isolation can be difficult. Creating endodontic access preparations can be confusing as the long axis of the tooth may be difficult to determine. Working lengths or finding apical stops may be compromised by root ...

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What are the general principles to consider when performing surgical extractions?

Preoperative Assessment Prior to extraction, dentists must review the patient’s medical and social history and take stock of any medications he/she may be taking. The preoperative evaluation will include both a clinical as well as radiographic examination to assess any challenges that may be encountered during the procedure. Clinical Examination The clinical examination should include an evaluation of how accessible the tooth is in the dental arch. Assess whether the patient has a restricted opening, the tooth’s positioning in the arch, as well as crowding which may interfere with access and extraction of the tooth. Large carious lesions or large ...

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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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