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Dental Amalgam
Amalgam dental restorations which are also known as silver fillings are the number one choice for restoring teeth. These silver fillings have been used for over a hundred years to fill in cavities where there has been decay. The question many have is “what is dental amalgam?” Dental amalgam is a mixture of materials containing powdered alloy, metals and mercury. There have been some concerns, however about the safety of this mercury containing filling material. According to the Food and Drug Administration, amalgam is in the same class as gold and composite fillings and does not pose the safety concerns as once thought. Compared to other dental materials, it is the “most studied and tested.” (NCAHF) Some dentists use silver filling material as opposed to composite to restore teeth because this metal filling material is durable, relatively safe and can be placed where moisture control is an issue.
There are many reasons to use amalgam and one of the best reasons is the durability of this material. Amalgam is very pliable and can withstand the wear and tear of chewing on the posterior teeth, such as molars. In some patients, amalgam fillings have been in place for many years without cracking or leaking. “A seventeen-year long study published in 2003 found a significantly higher survival time for extensive amalgam restorations than for extensive composite restorations.” The use of amalgam is very common for pediatric dentists to use on children and shows to be a “viable and safe choice for dental patients”. Another plus for using amalgam is used where there is severe tooth damage. Occasionally, it is used by some dentists for crown build ups. A crown build up is when material has to be added to a tooth because th...
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Web link "Dental Amalgam Use and Benefits." Dept. of Health and Human Services Centers
for Disease Control. Dept. of Health and Human Services Centers for Disease
Control, 28 May 2010. Web. 20 Mar. 2011. publications/factsheets/amalgam.htm#3>. 0 New Edit Copy Delete
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Web link Soncini, Jennifer Ann, et al. "The Longevity of Amalgam versus Compomer/
Composite Restorations in Posterior Primary and Permanent Teeth."
Journal of the American Dental Association 138 (June JUNE, 2007):
763-772. JADA. Web. 22 Mar. 2011. .
Afshar H, Jafari A, Khami M, et al. Evaluation of Microleakage in Composite-Composite and Amalgam-Composite Interfaces in Tooth with Preventive Resin Restoration. Journal of Dentistry 2012; 9(2):128-34.
Pit and fissure sealants are tooth coloured materials that are applied on the occlusal surfaces of the posterior teeth in deep grooves, pits and fissures. They protect the tooth from various bacterial plaques in these caries prone areas of the teeth. The sealants protect these areas by sealing of the entrance to bacteria which give rise to dental caries in susceptible individuals especially in children. Pit and fissure sealants are now commonly being used due to the increase in the awareness among public about dental caries prevention
Humans only get one set of adult teeth after losing all of their primary teeth therefore, it is important to take care of them. “Dental caries: Strategies to control this preventable disease” is an article written by Rugg-Gunn, Andrew presents several reasons why dental decay is a widespread disease. Rugg-Gunn cites that the main cause of dental decay is lack of fluoride, poor diet, bacteria from plaque, and sugars. Based on this evidence, Rugg-Gunn concludes that “dental caries can be prevented” (Rugg-Gunn128), but there is no evidence of stopping the disease from happening. While Rugg-Gunn raises a revolving problem around the world with human oral decay he however, does not have a good approach on what decay really is.
Ceramics are most commonly used in dental applications as restorative materials for crowns, cements and dentures.
Dental carries is one of the most common oral diseases in the world, and it often goes untreated due to the expense of treatment. According to the World Health Organization (WHO) 60 to 90 percent of school aged children throughout the world suffer from untreated dental carries. Ethnic minorities, the poor, the elderly, and those who are mentally and/or physically disabled are other disparities who also suffer from untreated dental caries (Alcorn & Rogo; 2012). Looking for a way to solve the epidemic of dental caries by providing affordable treatment, silver diamine fluoride (SDF), also known as the “silver fluoride bullet,” was created. Claiming to be both affordable and effective, SDF could be the answer to low cost carries treatment the world has been searching for. The purpose of this paper is to research the efficacy of silver diamine fluoride in comparison to sodium fluoride varnish. Our PICO question is: In a patient with dentinal caries, will the use of silver diamine fluoride compared to sodium fluoride varnish, be more effective at arresting caries?
I am currently studying at CFCC to get into the Dental Assisting program. Upon graduating, I would like to acquire a job at an orthodontists office. The employment for this occupation is actually expected to grow much faster than average; between 2008 and 2018, employment is expected to grow 36 percent. The job demand in the Cape Fear area seems to be fairly higher than other areas in North Carolina, and higher than some other states as well.
Denture teeth can be made of acrylic poly(methyl methacrylate) (PMMA) or composite resins. PMMA is a polymer - a material made the from joining of methyl methacrylate monomers. Properties of PMMA include resistance to abrasion, chemical stability and a high boiling point. (Jun Shen et al. 2011). However, weak flexure and impact strength of PMMA are of concern as they account for denture failure. (Bolayir G, Boztug A and Soygun K. 2013). Composite denture teeth are made of a three distinct phases - filler, matrix and coupling agents. Out of the types of composite teeth available, nano-filled composite teeth are preferred. Composite teeth have a PMMA coating around the tooth and a high content of filler particles. This gives them strength, higher resistance to forces than acrylic teeth and provides compete polymerization due to the PMMA coating. (Anusavice, K. J., Phillips, R. W., Shen, C., & Rawls, H. R, 2012). If the interface between the PMMA denture base and PMMA or composite teeth was weak, the denture will not be able to sustain occlusal forces, making the base-teeth interface, an entity of significance.
The existence of micro-leakage in dental restorations was first identified in scientific research in 19126. In a study done by Harper (1912), air pressure was used to penetrate the surface between an amalgam restoration and cavity preparation7. By applying pressure through a hole in the pulpal floor, Harper could quantify the amount of pressure needed to establish leakage through the emergence of bubbles from the margins of the restoration. Research has come a long way since Harper first recognized micro-leakage. Adaptations of new materials used when placing composite restorations like BondAband, a light-cured glass-ionomer cement has been shown to reduce marginal micro-leakage in posterior restorations8. A decrease in microleakage has also been shown with the use of an ...
28.Austrian Minister of health, Austria to be amalgam free by the year 2000. FDI Dental World, March/April, 1993, page 6.
Humans have been obsessed with fresh breathe for centuries (Fung, 2017). Haitosis, or bad breath has many different causes but ultimately dealing with the underlying cause is the only potential permanent cure (Burke, 2016). Most oral rinses are like broad spectrum antibiotics and do not treat a specific bacterial strain (Burke 2016). Their effect only last for 1 hour or less.
Our analysis revealed that Affinis® had more dimensional stability in comparison to Panasil® and in the Panasil® impression material, the percentage of dimensional change was significant after 168 h. However, dimensional changes in all of the evaluation times were in the American Dental Association (ADA) standard range. Therefore, these materials had acceptable clinical dimensional stability for approximately 168 h. In the current study, impressions were made from stainless steel dies following the ADA specification for impression materials. This provides a protocol that can be easily replicated by others and it is the same as making a clinical
Palmer, C. (2013, September 16). American Dental Association. Retrieved January 28, 2014, from ADA: http://www.ada.org/news/8898.aspx
Growing up I heard many stories from my peers of their experiences at the dentist’s office. It is upsetting to say that most of my visits were vividly terrifying. As a child, the grinding, scratching, and high-pitched twangs of the instruments digging around in my mouth would leave my ears ringing and teeth vibrating every single time. The smell of fluoride and disinfectants permanently infected the air, sending chills through my body the minute I walked in. I quickly learned that latex posses an extremely unappetizing aftertaste. Needless to say, I was not always enthusiastic about going to the dentist’s office and getting braces did not make anything better for me.
Cosmetic dentistry is a specialized field that deals with improving the aesthetics of teeth and the human face. The teeth are an important part of human beauty. Even minor damage to the teeth, such as breakage or loss can drastically alter the overall appearance of the face. This is where cosmetic dentistry comes in to restore beauty. Cosmetic dentistry has become a highly specialized branch due to various advancements in surgical procedures and diagnostic techniques. Several new materials have also been discovered. These materials are very close to the natural enamel and bone from which teeth are made and are virtually indistinguishable. Cosmetic dentistry is an option in conditions such as teeth loss, gaps between teeth, cracked or chipped teeth, cavities and dental
Dentistry is much older than most people realize and has an intriguing history. Early signs of dentistry can be traced back all the way to ancient Egypt and the Stone Age. If you loathe going to the dentist, be thankful you did not live in the Stone Age. Before the use of whiskey to dull pain and roughly 8,000 years before Novocain prehistoric patients would undergo painful procedures to repair their tremendously damaged teeth. “Our ancient ancestors were having holes drilled into their teeth with drill bits carved from stone. Scientists found eleven teeth from the skeletons of four females, two males and three individuals of unknown gender in an ancient cemetery in Pakistan that show signs of having undergone the painful procedure (Ring)”. Similar to the cavemen and people of today, ancient Egyptians were not spared from the dirty grasps of bad oral hygiene. Dentistry has come a long way since the times of cavemen and pharos. "Their diet, which was f...