infant. Every pregnant should be examined for possible oral health risks‚ educated on proper oral hygiene and take any necessary action on any problems that have occurred. During the second trimester it is safe to provide restorative treatment‚ take xrays‚ and provide periodontal treatment. As clinicians‚ it
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prepared string into the solution and let sit at room temperature‚ undisturbed‚ and be aware of the solution’s solubility for several days allows us to control its rate of growth. 4. What shape did the crystals take? In the field of crystallography‚ these are called monoclinic
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The World of Medicine (Lecture 1) Delivery of Health Care in the US Inpatient versus outpatient Community hospital versus tertiary care Community hospital – serves the common medical needs of the community Tertiary (academic) – addresses complex medical problems‚ training‚ and research (Hershey‚ Geisinger) Teaching hospital Specialty hospital (ortho‚ Meadows) Rehab hospital Prehospital versus hospital (healthcare starts before you get to the hospital) Access to care issues – over 47 million
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Three-Dimensional Structure of Proteins Rotation around the -Carbon in a Polypeptide A Sterically Nonallowed Conformation The Helix and Pleated Sheet Conformationally allowable structures where backbone is optimally Hbonded (linear Hbonds). Helix (3.613 Helix): •3.6 residues/turn •Rise = 0.15 nm/ residue •13-atom hydrogenbonded loop Linus Pauling and Robert Corey‚ 1950 Pleated Sheet: •Anti-parallel or parallel •2.0 residues/”turn” •0.34 nm/residue (anti-parallel) or 0.32 nm/residue
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Maurice Wilkins and Rosalind Franklin were peers at King’s College. Franklin had discovered that DNA could crystallize into two different forms‚ an A form and a B form. The technique with which Wilkins and Franklin set out to do is called X-ray crystallography. With this technique a crystal is exposed to x-rays in order to produce a diffraction pattern. If the crystal is pure enough and the diffraction pattern is developed very carefully‚ it is possible to reconstruct the positions of the atoms in the
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My element is beryllium. The atomic number is 4‚ the atomic mass is 9‚ the symbol for Beryllium is Be. It doesn’t come in too cheap‚ its $230 per pound. The classification for beryllium is a metal. The melting point is 2‚348 Oc. Its normal phase is solid. My element belongs to to the alkaline earth metal family. Orgin of name comes from greek. Beryllium is discovered by louis Nicholas in 1798. Some interesting facts about beryllium right about here boys. It is a hard metal‚ but brittle at room temperature
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room. I sat in the chair in the middle of the room. After I sat down in the chair the dentist’s assistant what happened I said"I fell and hit my face." She said"well that must of hurt.". The dentist entered she said"I going to take an xray." My dentist took an xray to make sure I did not break my jaw or any other teeth. My trip to the dentist was tiring. I learned that day that you shouldn’t run on the blacktop because you can get hurt or you could run into somebody else and they could get hurt
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Famous Chemists and What They Discovered Svante Arrhenius (1859 -1927) - He was initially a physicist but more popular as a chemist because‚ he was the one who proposed the equation now known as the Arrhenius equation. He was also one of the first chemists who proposed that when in a solution the salt dissociates into ions even in the absence of an electric current. Amedeo Avogadro (1776 - 1856) - He is known for proposing the Avogadro’s Law which states that‚ "Equal volumes of gases contain
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structure. Franklin’s expertise in X-ray crystallography led to the infamous “Photo 51.” This photo was the deciding factor in what Watson and Crick were theorizing in their own studies. “Photo 51” was shared with the two scientists without permission by Franklin’s said to be colleague‚ Maurice Williams. Without Rosalind Franklin’s photo‚ who knows what kind of discoveries were to arise? IN THE BEGINNINGS... Franklin was born
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Dorothy Hodgkin was one who always liked doing the impossible and living the edge on science. During her lifetime she made not one‚ but five discoveries. Each discovery was more complex than the other. Dorothy was born on May 12‚ 1910 in Cairo‚ Egypt. She was a scientist that spent her life studying different kinds of crystals. At the age of ten‚ she became interested in chemistry and crystal. This interest was encouraged by Dr. A.F. Joseph. Dr. A.F. Joseph was a friend of her parents in the Sudan
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