COMBINATION ARCH BAR AND QUICK FIX AS MAXILLOMANDIBULAR FIXATION IN THE ANGLE AND SYMPHISIS FRACTURE OF MANDIBLE (CASE REPORT) Introduction Mandible is a corticocancelous bone and constitutes the strongest and most rigid component of the facial skeleton‚ second most commonly fractured bones of the face and this is directly related to its prominent and exposed position. Prevalence rates epidemiological studies for fracture mandible are between 60 and 81%1. The etiology of symphysis and parasymphysis
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The following will cover the effects‚ causes and the treatments for the genetic disorder‚ Osteogenesis Imperfecta. The term Osteogenesis Imperfecta means imperfect bone formation. Also known as brittle bone disease‚ OI‚ and Vrolik disease‚ osteogenesis imperfecta causes people to have weak bones. OI can also affect the body in other ways such as hearing‚ bone deformities‚ loose joints‚ discolored sclera( the whites of your eyes)‚ and spine curvature. The severity of the disease can vary depending
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Unit 5 Reading Guide Questions Which minerals are stored in bones? Triglycerides‚ calcium phosphate‚ and calcium hydroxide are all stored in the bones as mineral salts Which types of bones provides a large‚ flat surface area for muscle attachment? Flat bones such as the scapulae have large‚ flat surface area for muscle attachment. Describe the location‚ composition‚ and function of the epiphyseal plate. The epiphyseal plate is located in the metaphysis‚ and is composed of hyaline cartilage
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Osteogenesis Imperfecta (OI) is known as brittle bone disease‚ and is a genetic disorder in which an individual has weakened bones that may fracture in situations of minor to inexplicable trauma. OI spans from a slight degree to the more critical cases which may lead to death moments after their delivery or prior to their existence (“Learning About Osteogenesis Imperfecta‚” 2012). No two people suffering from this condition share the same measure of difficulty. In fact‚ though there are various forms
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BIOL 2210 Lecture Notes 9/27/2012 Salient Points Bone Formation * Bone formation termed ossification of calcification * Endochondral ossification – Forms all bones below skull (except clavicle) New bone forms from a hyaline cartilage model Bone tissue replaces the cartilage model Begins in the interior of each bone from an ossification center Ossification center – group of stem cells that transform into osteoblasts Long bones – ossification centers in the diaphysis and each
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~Cross-section of a bone~ Articular cartilage - is a white‚ smooth tissue which covers the ends of bones in joints. Periosteum - is a fibrous sheath that covers bones. It contains the blood vessels and nerves that provide nourishment and sensation to the bone. Cortical bone - forms the outer shell of all bone and also the shafts in long bones. Trabecular bone - is the tissue that makes up the interior of bones.
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ABSTRACT Osteogenesis Imperfecta Dominant and Recessive Pattern Background Osteogenesis Imperfecta (OI) is heterogenous genetic disorder in the type I collagen and is characterized by susceptibility bone fragility and fractures with variable severity and presumed or proven defect in type I collagen biosynthesis. Type I collagen is the abundant protein composing the extracellular matrix of bone and skin in human body. There are 3 pathogenesis mechanisms of OI: 85-90% of individuals with OI
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Bones support‚ move‚ and protect the body; they also give us our features. But without bone cells we would have no bones. Bone cells are the living units that make up your bones and keep them functioning. Bone cells have two major roles‚ which are the production of new bones and resorption or destruction of old bone. They also carry out other small roles. There are four main types of bone cells: Osteogenic‚ which are bone cells that respond to traumas‚ osteoblasts‚ which form bone matrix around themselves
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Thoracic Outlet Syndrome (TOS) is used to describe upper extremity symptoms and according to recent reports 1‚2 is defined as compression of the neurovascular structures in the interscalene tri-angle‚ as it exits the thoracic girdle. The bony anatomy of thoracic outlet‚ which will be discussed in further detail‚ can be defined by the space between the first thoracic vertebra‚ first rib‚ and manubrium of the sternum.1 Thoracic Outlet Syndrome is not specific in determining the struc-ture being compressed
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There are 7 different limb bones in the skeleton. The humerus in both arms are the longest bone in both arms. A lot more powerful bones that manipulate the upper arm just at the shoulder‚ at the elbow are all situated for the humerus.(8) The radius is the shorter of the two bones in the forearm. The radius is located on the thumb side of the forearm and allows rotation to allow to the hand to move about at the wrist.(9) The ulna is one of the most important bones to the form arm as it does give
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