Impression materials are used to register or reproduce the form and relations of the teeth and the surrounding oral tissues (1). Making an impression represents a critical step in processing and fitting of a dental prosthesis (2). Several types of impression materials are produced. These include silicones, polyether, polysulfide and alginate which are available for crowns and fixed partial denture impressions. Silicone impression materials are considered to be suitable impression materials to use for fixed prostheses (3). Also, it has been reported that silicone has the ability to remain dimensionally stable through disinfection procedures (4). Among silicone impression materials, one type of them, called polyvinyl siloxane (PVS) is reported …show more content…
There are numerous factors which can affect dimensions of subsequent casts on repetitive pouring. These include the process of polymerization (7), temperature (1), and material used to fabricate the replica or working cast (1). Although, PVS impression materials have demonstrated superior dimensional stability when compared with other elastomeric materials due to no releasing any by-products (8), it had been reported that the dimensional accuracy of a material is time dependent. A material may be highly dimensionally accurate soon after its initial polymerization but less accurate after the storage for a period of time (9). On the other hand, PVS impression materials have chosen as the impression material in many clinical situations because they possess excellent physical properties and handling characteristics …show more content…
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
Karaman E, and Ozgunaltay G. Polymerization Shrinkage of Different Types of Composite Resins and Microleakage With and Without Liner in Class II Cavities. Operative Dentistry 2014; 39(2):00-00.
Tooth surfaces are referred to by various names in dentistry, including mesial, distal, buccal, and lingual. If you drew a midline t...
Many of us have been to a dentist at some point our lives. There are a number of procedures that can be completed during an appointment that are painless for a patient. One of the pain free procedures would have to be having a dental impression taken. This procedure doesn’t involve needles, or any of the other sharp objects that people seem to dislike. Getting a dental impression is a speedy procedure that only takes a couple of minutes. A dental impression is made using an elastic material called alginate. The impression is a negative of the mouth in which plaster or dental stone is placed, in order to make an accurate copy of the mouth. Impressions are taken for diagnostic reasons and used to construct various types of dental and orthodontic appliances.
As technology and medicine evolves with rapid pace and patients demand to be treated with the best technology available, while society and health systems are concerned about cost-effectiveness and safety of every procedure in use, there is an urgent need to take advantage of every technology available and make research to broaden our knowledge on nanotechnology and focus on its applications on plastic and reconstructive
After the treatment and procedure is complete, patients leave with healthier, more beautiful teeth, giving them the confidence to ask someone out on a date or the confidence to smile on an important job interview. Dentistry is and has been for centuries, an important aspect of people’s ...
AA theory by Clive Bell suggests the pinpoints the exact characteristic which makes a work true art. According to Bell, an artwork must produce “aesthetic emotion” (365). This aesthetic emotion is drawn from the form and formality of an artwork rather than whether or not it is aesthetically pleasing or how well it imitates what it is trying to depict. The relation of objects to each other, the colors used, and the qualities of the lines are seemingly more important than what emotion or idea the artwork is trying to provoke. Regardless of whether or not the artwork is a true imitation of certain emotions, ideals, or images, it cannot be true art unless it conjures this aesthetic emotion related to formality (367).
The way that each individual interprets, retrieves, and responds to the information in the world that surrounds you is known as perception. It is a personal way of creating opinions about others and ourselves in everyday life and being able to recognize it under various conditions. Each person’s perceptions are used as a kind of filter that every piece of information has to pass through before it determines the effect that it has or will have on the person from the stimulus. It is convincing to believe that we create multiple perceptions about different situations and objects each day. Perceptions reflect our opinions in many ways. The quality of a person’s perceptions is very important and can affect the response that is given through different situations. Perception is often deceived as reality. “Through perception, people process information inputs into responses involving feelings and action.” (Schermerhorn, et al.; p. 3). Perception can be influenced by a person’s personality, values, or experiences which, in turn, can play little role in reality. People make sense of the world that they perceive because the visual system makes practical explanations of the information that the eyes pick up.
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
There are many people who believe and consider that creativity is affected by culture, the way that ideas, how concepts are introduced, and developed into a reality. In today’s market, creativity is linked to innovation, which is an appreciated and sought after skill to have in todays changing world. I agree with this statement and declaration with four reasons. The first reason is if we did not let people think of ways to be improve items, then we would not be currently in a place in society with the advancement of technology and new ideas that come out everyday from the people of the world. Secondly, the believed notion that “More Energy is equaled to Better Moods”, which is appropriately true about how creativity is affected by culture. Another reason why creativity is affected by culture is allowing the possibilities and opportunities created by creative minds of our culture. The final reason why creativity is affected by culture is one learns persistence and dedication from the journey they take to be unique and creative; while they create and find new answers that they never knew before using creativity to
“One of the greatest powers of photography is the ability of expressing one’s emotions through it. The most powerful photographs out there are the ones that successfully convey a certain mood or emotion.” (Greg http://www.photopathway.com/expressing-emotions-through-photography/). Its photographer task to create a strong photograph that transmit emotions to the viewer. One of the ways for a photographer to show the emotions that they want is by creating a self portrait. It is also worth adding that every “ act of creation of a self portrait always reveals “something” about the creator”.( http://weburbanist.com/2009/07/22/the-revealing-art-of-self-portraits/).By creating an introstective self-portrait with a dash of psychoanalisys showing a series of bio energetic exercises captured as a stop motion sequence i believe that i will achieve my goal which is to show the wiever the process of my catharsis and the emotions that follows it.
From Mark Twain to Vincent van Gogh, each genre of art comes with its greatest master. There are many compelling arguments to why this specific artist, musician or writer is the best in their category. In modern days, we don’t have a Mozart, or a Hemingway or even an Andy Warhol. There are many good artists of their own kind and many more are emerging thanks to new technology and new forms of media art. However, many arguments are made as to why these forms of art aren’t considered true forms of art. A few years back and even today, many argue that digital paintings aren’t real art so it is not surprising when people don’t think of a video game as an art form, but it is. The world is at constant change and so is art.
The Creative Arts play a significant role in early childhood education as it provides children with a diverse range of skills to enhance their learning and development to meet the needs of succeeding in the 21st century. Educators can promote The Arts by adopting the Reggio Emilia approach to education, encouraging children to co-construct the curriculum to develop their skills in partnership with teachers, families and their cohorts. The focus of this essay is to emphasise the value of Creative Arts in early childhood education by providing a summary of the concepts and skills of the Creative Arts and the four strands; Dance, Drama, Music and Visual Arts. Then, ascertain how Creative Arts benefit children’s social development, language and
Creativity, it’s a broad topic of just new things and ideas among people. The definition of creativity is the use of the imagination or original ideas, especially in the production of an artistic work. PBS describes creativity as, “The new ideas and new connections between ideas, and ways to solve problems in any field or realm of our lives. The concept of creativity is often hard to grasp because creativity isn 't a tangible thing its just and idea. Also, because it’s hard to differ between a truly original idea and an idea that is just shaped from others. With all this being said, it can be hard to figure out where creativity comes from.
In the art community there is a lot of controversy in distinguishing what the difference between an artist and a designer. Designers are told they are not artist and they need to stop thinking they are artist. When dealing with art and design specific demographics and viewers interpret the messages of each subject in different ways. Art is said to be elucidated and design is said to be understood. Artists usually develop a work of art with the intention of bringing an emotion viewpoint, instinctive feeling, and or state of mind. When you look at an artist work it cannot be limited to just exhibiting one individual thought or just one individual meaning. That is a big difference when it comes to graphic design. Graphic design usually has a very specific goal and point to make. When dealing with graphic design there should not be any room or space for any mixed messages or multiple meanings. The audience of the design should immediately understand the design that the designer created. Art connects to people differently in so many ways. The only reason it connects to people in different ways is only because it is interpreted differently.
Like it or not, a person is judged by their appearance and the way they carry themselves. Appearance is directly related to a person’s character because some details of personal affectations tell much about one’s identity. Every person’s identity depends on their family and their race. As a book can never be judged by its cover, in the same way, a person cannot be judged by their appearance, identity, or ethnicity. There are 197 countries in this world, but every country’s traditions and beliefs are different from each other. Ethnicity, race, and sex play a large part in forming traditions and beliefs, which is why they are so different around the world. A person’s identity is based on their family, culture and personal interests, which are all the factors that tend to shape how people are seen in a community. When an individual is judged based on their appearance instead of their character, they often suffer rejection. Everyone in this world has a different identity and is different from each other. Cultures and traditions differentiate people and help