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This DVD is also available as Lecture-On-Demand 068-00
Presenter:
Dr. Kenneth A. Malament
Lecture Length:
Approx. 71 minutes
Dvd Price:
$US 139.00
Delivery:
Please allow 10 days for delivery outside of the US; within the US approximately 7 days.
Content:
Dentistry that is esthetic to the patient is an important clinical objective. The knowledge within dental technology, dental science and dental practice has dramatically expanded leading to better quality; artistry and more standards based clinical applications. Ceramics are the most consistently predictable esthetic dental material. Today dentists can offer more treatment options for patients complex problems. Metal-ceramics continue to be the state of the art and profoundly affect prosthodontic care and the future.
Understanding methods to manage simple and complex restorative issues are critical to improving patient acceptance and even long term ceramic success. Methods to integrate the efforts of laboratory technologists and managing occlusion and patients desires can have a profound impact in the practice of dentistry.
All-ceramic materials were developed to improve ceramic color and marginal fit. Until recently few research reports attempted to study their long term use or factors that relate to their performance without modeling the data. All-ceramic crowns on molars have yet to reach their full potential. Despite substantial improvements in material strength and toughness, they still fail at relatively high rates. Ultimately crown performance is a complex set of interactions between crown material and geometry, the characteristics of the support structure of the cement and crown, and the clinical loading history.
This presentation will provide a comprehensive look at failure modes and effects in bilayer all-ceramic crown-cement-tooth systems, tying together the influences on resistance to fracture initiation and propagation of ceramic material properties and thickness; crown/tooth geometry; cement modulus and layer thickness; damage induced by shaping, fabrication, clinical adjustments, and sandblasting; and fatigue in the wet intraoral environment. Some counter-intuitive findings will be addressed including changes in fracture behavior with different geometry and the influence of the compliant cement layer beneath stiff cores. Original research will be presented that studied the clinical behavior of over three thousand all-ceramic restorations. Life history and fracture rates were studied over twenty years in relationship to factors that might affect success. Factors such as tooth position, preparation, luting procedures and gender are significant to long term ceramic success.
Dental implants have become an integral part of dental practice today. Maintaining predictability and high success rates impose great challenges to the dental team. Edentulous ridge defects constitute a major problem. In the past long teeth have been placed into defects to take up vertical space. Gingival and tooth symmetry and the esthetic results were often compromised. Today these conditions as well as the lack of bone can be augmented surgically with soft and hard tissue grafting. This may not always produce a long-term predictable result. Prosthetic techniques will be discussed utilizing newly developed ceramic gingival material and design for fixed prosthodontics.
Learning Objectives:
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To understand what factors and concerns a prosthodontist would have treating patients that require esthetic procedures.
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To understand the controversies that exists with modern dental materials.
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To understand what clinical factors impact on long term survival of dental ceramic materials.
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To understand the restoration of dental implants in complex conditions.
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