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| Pulp is found in the ______ |
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True or False: The shape of pulp chamber is different in every tooth. |
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| Pulp that is in the crown and contains the pulp horns |
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| pulp that is in the roots and is called the "pulp canal" |
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| the opening from the pulp at the tooth apex |
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| pulp develops from the central cells of the ___________ |
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pulp has an embryological origin similar to dentin becuase both tissues are formed from this: |
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| in a formed tooth, _______ surrounds the pulp |
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Which of the following is NOT a component of pulp: - loose connective tissue - several types of cells - blood vessels and nerves - organic fibrillar or fibrous matrix with collagen type I - none of the above - all of the above |
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-the most numerous cell type in the pulp -they produce collagen fibers - they form and maintain pulp |
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| - The cell bodies of ___________ are located in the pulp adjacent to the dentin. |
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| - these cells do not proliferate by mitosis but they produce secondary dentin throughout the life of the tooth. |
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the cells that will produce reparative dentin in response to mild tooth damage (tertiary) |
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in response to severe tooth damage _______ will differentiate into odontoblasts and secrete reparative dentin these cells will decrease in number with age so the ability of pulp to respond to severe injury is weakened |
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| undifferentiated mesenchymal cells |
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blood vessels enter and leave the pulp at the________ nad travel through the root canals to the pulp chamber |
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| _____________ drain lymph from the pulp |
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| Nerves enter the pulp along with the blood vessels at the ______________ |
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The pulp contains which of the following: - autonomic - sympathetic - afferent sensory nerves - all of the above - A and B only |
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fibers that surround some of the blood vessels in pulp function to regulate arteriole diameter and blood flow to capillaries in the pulp |
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| autonomic sympathetic nerves |
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| afferent sensory nerve fibers are found throughout the _____ and also in the ________ ________ |
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| pain sensations are transmitted from dentin to pulp so both tissues are often considered together as this: |
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-pain fibers in the pulp which are myelinated axons and are associated with sharp, quick, well-localized pain that goes away aftera stimulus is removed -drilling, probing, air drying, heat, cold, can all stimulate these fibers |
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- unmyelinated pain fibers in the pulp that are activated by thermal, mechanical or chemical stimuli reaching the deeper parts of the pulp - play a role in the mediation of the dull pain connected with pulpal inflammation |
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-theory that external stimuli that are applied to the exposed dentin surface will cause the fluid in the dentinal tubule to move this fulid movement stimulates the nerve endings in the dentinal tubules the nerves continue into the pulp |
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| function of pulp in which the dental papilla interacts with the dental lamina to initiate tooth formation |
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| inductive function of pulp |
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| function of pulp in which the odontoblasts form dentin. following injury, the undifferentiated mesenchymal cells in pulp may differentiate into odontoblasts to form reparative dentin |
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formative function of dentin |
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| function of pulp in which blood vessels in pulp carry oxygen and nutrients to the dentin. the dentin has no blood supply to support odontoblastic processes |
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| nutritional function of pulp |
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| function of pulp in which sensory nerves in the pulp respond with pain. the formation of tertiary and/or sclerotic dentin protects pulp from invasion by bacteria |
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| protective function of pulp |
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| function of pulp which involves the formation of tertiary dentin, and the initiation of inflammation following trauma or infection. |
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| defensive/reparative function of pulp |
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| The size of the pulp chamber __________ in size with aging becuase of continued deposition of dentin |
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| with aging, there is a _______ in the total number of cells. this starts in the 20's and by the 70's there are ______ as many cells present |
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The amount of ___________ increase with aging only thing that increases with aginag |
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