Essay on The First Dental Adhesive Resins

Is it silver filling or dental amalgam? Most people call it silver fillings, while the dentist calls it dental amalgam. "Dental amalgam was developed in France in the 1800's" (Gladwin & Bagby, 2013). In 1833, dental amalgam was introduced to the United States, which started the controversy immediately (Gladwin & Bagby, 2013). People went back and forth debating whether or not dental amalgam was safe or not. Many people do not realize that dental amalgam has been used for over 150 years and is one of the oldest materials in the oral health care ("Dental Amalgam", 1993). Dental amalgam contains a mixture of metals such as silver, which is the largest of filling and adds great strength to the amalgam, tin and copper, which also contribute to strengthening the compound, as well as mercury, which makes these components into a hard, stable, and safe substance that in amounts of up to 50 percent by weight(ADA.org, 2009).

With all these results, many variations among materials, operators, and patients can contribute to these clinical failures. Therefore, further clinical research and studies are necessary to evaluate the performance of the restorative materials and to determine the factors related to the failures as many conditions cannot be reproduced in the labatory. In previous studies, evaluations of the studies showed that in a period of 5-12 years, the success was 85 to 98 percent. In the longest follow-up mentioned by Dr.

Esthetic restorations are in vogue today and their demand is increasing day by day. Composites represent two major advances in restorative dentistry. Composite resins have been introduced into the field of conservative dentistry to minimise the drawbacks of the acrylic resins that replaced silicate cements (the only aesthetic materials previously available) in the 1940s. In 1955, Buonocore used orthophosphoric acid to improve the adhesion of acrylic resins to the surface of the

Resin Composite – These are thinner and can be applied without having to remove as much enamel.

Initially, for the purpose of denture base, vulcanized rubber (vulcanite) has been in use. It was introduced in the year 1855 to the field of dentistry (Tandon et al., 2010). However, there were several issues faced with respect to its fabrication as well as the aesthetics. With this, the year 1937 saw the advent of PMMA which replaced vulcanite as it had enhanced properties (Machado et al., 2007). It also was less expensive than vulcanite and aesthetically more pleasing. From then on, PMMA has been in use. Recently, additional polymers such as nylons, vinyl acrylic and light activated urethane dimethymethcarylate have been evaluated for use as denture base materials (Diaz-Arnold et al., 2008). Even if these materials do exhibit very capable properties, none of them have been deemed superior to PMMA. However, clinical studies (Ray et al., 2014; Dhiman & Chowdhury, 2009) have reported midline fractures to be a common problem in maxillary complete dentures due to fatigue

Dental crowns are often recommended by your dentist because they are the best option to extend the life of your teeth. According to Coulee Family Dental in La Crosse, WI, crowns act as large fillings to strengthen any tooth that does not have enough healthy, surrounding tooth to hold a normal filling. It will prevent the recurrence of tooth decay on the filling and remaining tooth and prevent more serious procedures, such as a root canal, in the future.

Cosmetic dentistry has come a long way over the years and the days of traditional amalgam fillings are being replaced by the use of composite fillings. Why is it that you would choose composite fillings over traditional amalgam fillings? Dr. Glenn Reese in Acworth, GA discusses the difference between the two filling options and why you may choose one over the other.

The purpose of dental implants is to fill holes in your teeth created by oral surgery procedures, such as a root canal. Dental implants are also used to replace teeth that have been knocked out or that have been rotted out. Most dental implants are matched as closely as possible to the original shape of your tooth in order to keep all your other in the same place and to prevent future damage to your teeth.

So you're interested in improving the appearance of your teeth and can't choose between dental bonding (the process of adding resin to fix individual tooth appearance) and dental veneers (the application of a porcelain cover over your teeth). While both have their use, dental bonding is generally a better investment.

In the 1930s, numerous synthetic composite technological breakthroughs were born. “In 1935, Owens Corning launched the fiber reinforce polymer (FRP) industry by introducing the first fiber glass. In 1936, unsaturated polyester resins were patented. Because of their curing properties, they would become the dominant choice for resins in manufacturing today. In 1938, other higher performance resin systems like epoxies also became available.” (Cite) The creation of FRP was vital to the military during World War II due to its notably high to strength to weight ratio. Not only was FRP used for electronic housings and other electronic components, but was also used to create the first fiberglass reinforced boat hull. The war efforts spawned copious amounts of commercial products made with FRP. This is how synthetic and natural composites were revolutionized during the 20th century.

Our composite resin and ceramic fillings are designed to repair small areas of decay called cavities. Select this option to avoid the eventual need for a crown!

Composite structures have been around since the beginning of time, but the modern day uses were first applied during World War II. Composites such as rubber tires and glass were used in structures where metal or other material structures could not be applied. The past few years, composite material structures have been used more in aircraft structures than any other time in the history of man. The main reason is that the understanding and technology are at a point were composite structures could be applied in greater use due to human understanding. Composite structures in aircraft are becoming more practical for more applications. This is based on the how/why composites are being applied, the benefits of composites, the problems/ failures of

The purpose of this study is to explore how some of the different composite materials are produced and how they are used as aircraft parts. The study seeks to answer the research question, why is the use of composite materials so attractive to aircraft designers and are the benefits of using composites worth trying to integrate them into existing aircraft designs? The goal is to analyze the many different uses of composites as aircraft parts and determine whether or not their use is beneficial.

The use of bioactive liners beneath resin composite (RC) would clinically be more advantageous than using GI liners as they are biologically well-tolerated by the pulp tissue [4] and have comparatively higher remineralizing ability. [5] The success of these laminate restorations depend not only on the bond strength of the liner to the dentin but also on the quality of bond between liner and overlying RC. Various studies suggest the application of resin-modified glass ionomer cement (RMGIC) instead of GI in the sandwich technique because of improved bond strength to RC due to its chemical bonding. [6],[7] The bond strength of RMGIC to RC varies depending on the type of adhesive used and it has been proved that self-etch is better than total etch. [8]

It has been done the work to describes Flexural strength and flexural modulus of the composites can be successfully improved by filling nonmetals recycled from waste