Dental Materials
Select any two commonly used dental materials and their characteristic parameters (based on your background information on stress strain relation of materials).
Dental Amalgam
Dental amalgam is a mixture of elementary mercury (at about 43% to 54%) and an alloy powder (at about 46% to 57%) that consists primarily of silver, tin, and copper. Considerable attention has been given in the dental industry to the fact that dental amalgam contains heavy metals. Dental amalgam is durable and long lasting; it holds up well to the forces of biting and generally wears well. The substance is self-sealing and resists leakage, as it exhibits little to no shrinkage. Dental amalgam restoration is typically completed in one visit, and the frequency of repair and replacement is low. Dental amalgam restoration resists future decay at a high level, but when dental decay does occur in tooth surfaces repaired by dental amalgam, it is difficult to detect in the early stages.
The primary disadvantages of dental amalgam are that repair with the substance requires removal of some of the healthy tooth, and in larger dental amalgam fillings, the tooth that remains may be weaken such that it eventually fractures. Moreover, the metal in the dental amalgam mixture can conduct hot and cold temperatures, thereby contributing to tooth sensitivity -- although it is typically a temporary sensation. Also, the metal conductivity may result in very brief electrical flow when the dental amalgam contacts other metals. The cosmetic considerations...
Dental Amalgam The use of amalgam for dental fillings is nothing new. However, the use is also relatively controversial in some circles. While there are many companies and organizations that discuss the safety of amalgam fillings, there are many more that say these kinds of fillings are dangerous and should not be used. Which option is correct and whether it varies from person to person has to be considered. That is
16). Some of the options available to patients are (p. 16): What it Is Colgate Total Over-the-counter tooth- triclosan and fluoride paste containing the anti- toothpaste bacterial triclosan Peridex or generic Prescription mouth rinse chlorhexidine mouth containing'an anti-micro- rinse bial called chlorhexidine Periochip tiny piece of gelatin filled with chlorhexidine Atridox gel that contains the anti- biotic doxycycline Actisite Thread-like fiber that con- tains the antibiotic tetracy- cline Arestin microspheres Tiny round particles that contain the antibiotic minocycline Periostat low
Riordan Japan Lord's Payer: Riordan in Japan Globalization has many different effects on the world, the nations within it, and the individual organizations and people that populate these nations. Many of the effects and challenges of globalization work in indirect ways, and these are the effects that are quite often areas of ethical concern when it comes to international business, however there are also many direct considerations that businesses must take into
The understanding of TMJ anatomy as well as its function is very important to generate stable as well as healthy intercuspation. TMJ consists of condyle, disk, muscles and ligaments. It connects the lower jaw to the temporal bone in the skull in both sides and has two movements (Rosenstiel and Land, 2001). The TMJ along with muscles stabilization is the starting point to get the ideal maxilla-mandibular relationship in
Business Report on Dental Prima The Firm's Specific Advantages for its Internal Environmental Assessment Accessing Foreign Markets and their Buyers Key Global Environmental Issues Political, Economic, Social and Technological Environments Key Challenges and Opportunities in Foreign Markets Market Entry Modes Structure and Control Mechanisms Logistics & International Business Operations Future Implications Prima Dental is based in Gloucester in the United Kingdom and has a legacy of more than 150 years. It is among the oldest of dental companies in the
Life and Death: The Life Support Dilemma by Kenneth E. Schemmer M.D Kenneth Schemmer in his thorough, thought provoking book brings to life the controversial subject of the life support issue. For years, many all over the country have pondered, "What if a person were in some kind of an accident and the physicians told them that they were not going to make it?" And all that he or she
Our semester plans gives you unlimited, unrestricted access to our entire library of resources —writing tools, guides, example essays, tutorials, class notes, and more.
Get Started Now