Root Surface Caries Caries can affect any surface of the teeth. The most commonly seen caries are found on the crown of a tooth‚ above the cemento-enamel junction‚ it is also possible for caries to form on the root surface‚ below the cemento-enamel junction. Dental root caries has received a great deal of attention in the past few decades. A variety of different patients are at risk for root surface caries. Dentists use several methods of treatment. Root surface caries are also called cemental
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Surface Tension of Water I. Purpose How does adding soap to water change its surface tension? II. Background Adhesion is the bond between two substances of different makeups. In water‚ adhesion allows it to stick to other surfaces. Cohesion is the bond between two of the same substances. A hydrogen bond is a type of cohesion in water in which the hydrogen atoms of one water molecule being attracted to the oxygen atom of another water molecule. In water‚ each molecule in the middle is pulled
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Aesthetics is the study of the mind and emotions in relation to the sense of beauty. This philosophy is very well explained in Virginia Postrel¡¯s essay‚ ¡°Surface and Substance¡±. In the essay‚ Postrel challenges the separation of surface and substance with examples of acts of consumptions‚ which she describes as an engagement with beauty. There are many reasons that drive people towards consumptions. It is important to be socially accepted‚ even if it requires changing the way one looks. Some
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is Jackie Lee. I’m the Project Officer at a large corporation. The goal of my presentation is introduction our product‚ I’d like to talk about silicon watch. First‚ I’ll start by giving you some background information and then talk about the silicon watch how to attract new customer. Next‚ I’ll demonstrate the benefit and advantage of the silicon watch. Finally‚ we will talk a look at the target customer. This presentation will provide Q&A section of the end. Before I started‚ allow me please
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Structure of Gaseous Exchange Surfaces in Humans‚ Fish‚ Insects and Frogs Gaseous Exchange is a biological process where oxygen diffuses into the body or bloodstream and carbon dioxide diffuses out of the body or blood stream. This process is different for Humans‚ Fish. Frogs and Insects. Humans: In humans the gas exchange system is known as the Respiratory system. The respiratory surface is the Alveoli located on Bronchial tubes inside of the lungs. The average human adult has about 600 million
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| |Subject: Surface area of a sphere | A connection which could be illustrated‚ and could be understood by students who know the perimeter of a circle‚ runs as follows: Put the sphere of radius R inside a cylinder‚ with the cylinder just touching the equator‚ and cut off at the height of the top and bottom of the sphere. (A cutaway view is in the diagram.) [pic] What is the area of the
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Links: School Brochure | | Apply for Admission | | | Why Co - Educational Presentation College is‚ by choice‚ a co-educational school. We believe that co-education is the most natural form of education and that it has distinct advantages for girls and boys alike. There has been much discussion throughout the eighties on the benefits
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Andrés Becerra Espinoza Ms. Mary Glenn English 10th Grade March‚ 21 2013 What is the Deep Web Surface Web and its Benefits There is a big influence of technology on our daily life. Electronic devices‚ multimedia and computers are things we have to deal with everyday. The Internet‚ especially‚ is becoming more and more important for nearly everybody as it is one of the newest and most forward-looking media and surely -“the”- medium of the future. (Markus Temmel‚ Martina Theuermann‚
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MINERALS 5 CHARACTERISTICS OF A MINERAL: 1)Naturally Occuring; 2) Be a colid; 3) Have an orderly crystalline structure; 4) have a definite chemical composition; 5) generally be inorganic Which are not classified as Minierals & Why: Gold‚ Water‚ Synthetic Diamonds‚ Ice & Wood: Gold-YES – naturally occurring; Synthetic Diamond: NO – Manmade; Water: NO – liquid state‚ only a solid material can be considered a mineral – in it’s naturally occurring ice state it is a solid and therefore a mineral;
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spacecraft and from Earth very difficult. There are many craters on Mercury that are made from a particular impact. There is also balsatic rock and plains which are made in the event of a massive volcanic eruption. There are also vents‚ made when a magma chamber collapses. Mercury’s density has produced a solid iron core that accounts for 60% of its volume. As of 2011‚ 99% of Mercury’s surface has been mapped by NASA. Overall‚ Mercury’s surface has many similarities to the Moon’s surface with many plains
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