Torus mandibularis is described as an unusual benign growth of the bone that protrudes from the lingual aspect of the mandibular alveolar process. These tori develop singly or multiply‚ unilaterally or bilaterally and most often on the premolar region. Mandibular tori are sharply demarcated anteriorly on periapical images and less dense as they extend posteriorly. There is no margin between the periphery of the torus and the surface of the mandible because the torus is continuous with the mandibular
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Part I: 1. Calculate the energy change (q) of the surroundings (water) using the enthalpy equation qwater = m × c × ΔT. We can assume that the specific heat capacity of water is 4.18 J / (g × °C) and the density of water is 1.00 g/mL. qwater = m × c × ΔT m = mass of water = density x volume = 1 x 26 = 26 grams ΔT = T(mix) - T(water) = 38.9 - 25.3 = 13.6 q(water) = 26 x 13.6 x 4.18 q(water) = 1478 Joules SPECIFIC HEAT: qmetal = -205 J = 15.363 g X c X (27.2 - 100.3 C) c
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Osteoporosis Case Study Brittany Laplow Bone Physiology Question 1 Describe bone physiology and the bone remodeling cycle. Be sure to emphasize the two types of bone tissue and the roles of osteoblasts and osteoclasts. Bone physiology is the growth and repair of bones. Bone remodeling is part of this cycle. There are two parts of this cycle‚ bone deposit and bone resorption (Marieb & Hoehn‚ 2013). Bone deposit marks areas that need repairing by osteoblasts and bone resorption removes osseous tissue by
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(2004). Coming to grips with bone loss. Science‚ 305‚ 1420-1422. 1. Why are our bones dynamic? (You need to know both osteoblasts and osteoclasts.) Our bones are dynamic because they need to be able to recreate themselves in a sense. Such as our skin‚ the bones need to be able to deteriorate/destroy the old (osteoclast) and to create a new healthier set of bones for our body (osteoblast). Other of which I found out about why our bones our dynamic is because our bone too needs blood in order to
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Daniel H. Perry Procedures of Measurement and Density of Sugar in Soda Introduction The main focus of this lab was to acquire a basic understanding of how to properly use measuring devices in order to determine properties of a liquid. These properties are volume‚ mass‚ and density. The following measurements were obtained in the lab: density of water‚ both density and concentration of aqueous sugar solutions‚ and density of various soft drinks with respect to sugar. Additional experience was
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[N] A = area [m2] For atmospheric pressure only 3.2 Pressure in Liquids Pressure in liquids are not dependent on the size or shape of the container; only on its depth. P = hρ g where P = pressure [Pa] h = height of liquid [m] ρ = density of liquid [kg m-3] g = gravitational acceleration [m s-2] 3.3 Atmospheric and Gas Pressure 3.3.1 Atmospheric Pressure • Atmospheric pressure is measured by barometers. Mercury barometer Chapter 3: Forces and Pressure Aneroid barometer
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method would consistently test the foam and ensure it has the correct density? Background: There are words that need to be understood before executing the experiment. The first thing you need to know is density. Density is a measure of mass per unit of volume. The reason for testing density of doors because doors must contain a density of 14.34lbs per ft3 of foam‚ or it will collapse if the density is too high. If the density is too low‚ it won’t allow for normal expansion during weather changes
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T-score of -1‚ meaning Ms Fredrick’s bone density is that of osteopenia. This means that Ms Fredrick’s body is at risk of forming osteoporosis. Ms Fredrick can stop this from happening by quitting smoking‚ eating healthy‚ exercising and considering Hormone Replacement Therapy. As a menopausal woman Ms Fredrick is going through a hormone imbalance. During the menopause the endocrine system produces less of the hormone oestrogen which is important in healthy bone growth (Shaw L 2005). Ms Fredrick is
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the gym. As we start to avoid favorable activities‚ our muscles grow weak and shrink in size. The lack of physical activity not only takes its toll on our muscles‚ but to our bones as well. Wolff’s law states that the bone density changes in response to the changes in the functional forces on the bone. In mature bones‚ the bone elements place or displace themselves‚ and decrease or increase their mass‚ in response the mechanical demands imposed on them
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experiment concerning Archimedes’ Principle to determine the density of solids and liquids using Archimedes’ Principle. For the density of solids‚ they had made use of spring balance to measure the mass of the metal samples‚ which were tied via string‚ in air and when immersed inside a 2000mL beaker‚ where H2O lies. They had computed the density of each sample metal using the formula: ϱs = maϱw / ma - mw and computed a percentage error. As for the density of liquids‚ they had filled a graduated cylinder with
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