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Dental Caries Periodontal Disease
2,385 wordsCaries have been a constant nuisance to humans, decaying teeth can become a major problem for those affected. It is certainly not the oldest pathology, nor the one of the greatest prevalence throughout humankind, but the information that can be extrapolate from such pathologies is great. The aim of this paper is to outline the pathology of caries and the influence that these have had on the human populations affected. Caries or caries dentist is the common name for tooth decay. It is a local dis...
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York Cambridge University Dental Caries
2,412 words... d warming of climate where there is an increase in the growth of plant material and plant foods. This change would have promoted a growth in subsistence farming, at the very least. This would have increased the amount of plant carbohydrates and thus there was an increase in the occurrence in evidence of caries. Again in the Mesolithic there is further warming in the surrounding climate to the point where an even greater amount of plant food harvest is attainable for human consumption. Frayer...
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Million Years Ago 5 Million Years
1,586 wordsHuman evolution is the biological and cultural development of humans. A human is any member of the species Homo sapiens, meaning wise man. Since at least the Upper Paleolithic era, some 40, 000 years ago, every human society has devised a creation myth to explain how humans came to be. Creation myths are based on cultural beliefs that have been adopted as a legitimate explanation by a society as to where we came from. The science of paleo anthropology, which also tries to create a narrative abou...
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Darwin Theory Of Evolution Animals And Plants
1,691 words... uil ding blocks of the development of new species. The majority of mutations tend to create adverse traits, such as, albinism. Albinism is a mutation that contains mutant genes, which lack the ability to generate normal skin pigment. Animals and plants, which contain the albinism gene, are unable to survive and reproduce as much and as well as the animals and plants without the albinism gene. Thus stating, that organisms with a mutant gene, will be unable to survive and reproduce as well as ...
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Be More Educated On Oral Hygiene
1,791 wordsBe More Educated On Oral Hygiene Maintaining good oral hygiene is one of the most important things everyone can do for his or her teeth and gums. Healthy teeth not only enable you to look and feel good, they make it possible to eat and speak properly. Good oral hygiene results in a mouth that looks and smells healthy. By the way, this can become a crucial factor in ones everyday communication. Moreover, good oral health is extremely important to peoples overall well-being because its poor state ...
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Dental Caries Ann Arbor
4,811 wordsCaries have D. Caries Introduction Caries have been a constant nuisance to humans, decaying teeth can become a major problem for those affected. It is certainly not the oldest pathology, nor the one of the greatest prevalence throughout humankind, but the information that can be extrapolate from such pathologies is great. The aim of this paper is to outline the pathology of caries and the influence that these have had on the human populations affected. Caries or caries dentist is the common name...
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Plays An Important Role Dental Caries
2,097 wordsDental Disease One significant problem in dentistry is the progression of carious lesions in the teeth. Carious lesions or dental caries is defined as a localized, progressively destructive disease of the teeth that starts at the external surface with an apparent dissolution of the inorganic components by organic acid. The tendency to the development of dental caries depends on specific surfaces of teeth and several other factors which include: type of tooth, location and length of exposure to t...
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Spineless Dorsal Fins Basking Goblin Crocodile Megamouth Thresher Sharks
3,474 wordsDifferent Types of Sharks INTRODUCTION Although sharks belong to the class Chondrichtyes, there are many different types. Sharks arose about 350 million years ago and have remained virtually unchanged for the past 70 million years and still comprise a dominant group. It is thought that sharks almost certainly evolved from placoderms, a group of primitive jawed fishes. It took a long series of successful and unsuccessful mutations with fin, jaw positions etc to give us all the different designs o...
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Field Of Medicine Ancient Egyptian
2,359 wordsSo that you know: I was most worried with my court, because the Nile did not come in seven years and the entire country was in great need. Then I turned my heart to the front; and I asked the wise Imhotep for advice, where the birthplace of the Nile is found and who would be the god that lived there. Upon this Imhotep answered, ? I have to go to the house of books and look up in the holy books. ? He returned soon and revealed wonders to me, to which no king has ever been shown the way since the ...
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Million Years Ago 000 Years Ago
1,389 wordsHow Man evolved How did the early man evolve and change into the way we are today? Human Evolution, the natural development of the species Homo Sapiens, or human beings. The initial man, called the Hominid was short, not intelligent, and very ape like. The next man lived in the stone age; his name was Homo Habilis. After Homo Habilis, Homo Erectus evolved. He was smarter, more efficient, and walked up-right. And he leaded to us, Homo Sapiens A lot of fossils, bones, and teeth have been found at ...
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Million Years Ago 000 Years Ago
1,421 wordsWorld History Human Evolution Final Copy January 19, 97 How did the early man evolve and change into the way we are today? Human Evolution, the natural development of the species Homo Sapiens, or human beings. The initial man, called the Hominid was short, not intelligent, and very ape like. The next man lived in the stone age; his name was Homo Habilis. After Homo Habilis, Homo Erectus evolved. He was smarter, more efficient, and walked up-right. And he leaded to us, Homo Sapiens A lot of fossi...
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Million Years Ago 000 Years Ago
908 wordsArdipithecusHuman Evolution Human Evolution Ardipithecus radius This species was announced in September 1994. It is thought to be the oldest known hominid species. It was dated at 4. 4 million years old. The majority of the fossils found were skull fragments. Other evidence suggests that this species was bipedal. The individuals were about four feet tall. Some fossils found indicate that radius may have been a forest dweller. The teeth resemble something between earlier apes and A. afarensis. Th...
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Cast Iron Common Place
2,441 wordsI-How Does Gears Work? You see gears in just about everything that has spinning parts. For example, car engines and transmissions contain lots of gears. Gears are generally used for one of four different reasons: 1 - To reverse the direction of rotation. 2 - To increase or decrease the speed of rotation. 3 - To move rotational motions to a different axis. 4 - keep the rotation of two axis synchronized. Most of the gears you see in real life have teeth. The teeth have three advantages: 1 - They p...
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