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Oral Pathology

Spread of Oral Infection-2012

At  the end of the lecture student should be able to    understand & describe Routes of spread of infection. Etiology, clinical features, histopathological   features of Cellulitis. Etiology, clinical features, histopathological   features of Ludwig’s Angina. Osteomylitis-An inflammatory process within medullary bone that involves the marrow spaces Parulis-A sessile nodule on the …

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SHOCK AND ITS MANAGEMENT-final

In severe shock the microcirculation changes dramatically. Those changes are mainly due to a “cytokine storm” induced by extremely severe tissue ischemia or, directly, by a pathogen: (1) the endothelium is activated (vasodilates, becomes pro-coagulant, expresses adhesion molecules), (2) monocytes are activated (and discharge numerous cytokines), (3) white blood cells …

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SEMINAR ON DIGITAL RGY

Introduction Analog versus digital Uses of digital radiography Elements – sensors in detail Digital imaging systems Advantages & disadvantages Legal aspect Conclusion References   To detect lesions, diseases & conditions of teeth and surrounding structures. To confirm or classify the suspected disease. To provide information during dental procedures. To illustrate …

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Seminar on connective tissue and its appl

Introduction Functions of connective tissue Components of CT Types of CT Classification of Connective tissue disorders Pathogenesis of CT disorders Lupus erythematosus Scleroderma Dermatomyositis Rheumatoid arthritis Mixed CT diseases Scurvy Ehlers danlors syndrome Marfans syndrome   Connective tissue, depending on type, carries out a number of functions which are related …

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sem on zmc fractures

At the end of the presentation the learner should be able to Describe anatomy of zygomatic complex region Describe classification of zygomatic fractures. Describe clinical features of zygomatic fractures Describe management of ZMC fractures Describe postsurgical complication.   Zygoma,Malar, Tripoid, Trimalar, Qatripoid Second in frequency after nasal bone fracture. Male …

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ROLE OF ORAL RADIOLOGY IN FORENSIC DENTISTRY [Autosaved]

FORENSIC ODONTOLOGY?   Forum – ‘court of law’   Odontology – ‘study of teeth’ Forensic Odontology is defined as “that branch of dentistry which, in the interest of justice, deals with the proper handling and examination of dental evidence, and with the proper evaluation and presentation of dental findings”. ( …

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Retinoids and anticancer activity

The anticancer activity of antioxidant micronutrients has now been well established in clinical studies, animal experimentation, cell culture studies and epidemiological studies dealing with cancer risk and low serum values for micronutrients. In animal studies using the hamster cheek pouch epidermoid carcinoma model, micronutrients have been shown to be capable …

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Radiological aspects of periodontal disease

The amount of bone present Condition of the alveolar crests Bone loss in furcation areas Width of the periodontal ligament space Local irritating factors that cause or intensify periodontal disease; calculus Poorly contoured or over extended restorations.   Root length and morphology and the crown to root ratio. Anatomical considerations; …

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radiography for special patient

Acute Suppurative Osteomyelitis- A rapidly destructive inflammatory process that consists of granulation tissue, purulent exudate and islands of nonvital bone (sequestrum) Extension of untreated periapical abscess Minor traumatic incidents Previous high dose of radiation   Clinical Features Portal of entry for the infection through diffuse periodontal disease. At any age, …

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Pulp & periapical Pathologies 4

At  the end of the lecture student should describe — pathophysiology of osteomyelitis  classification of osteomyelitis etilogy. Clinical features, radiological features histological features and treatment of acute osteomyelitis etilogy. Clinical features, radiological features histological features and treatment of chronic osteomyelitis Acute Suppurative Osteomyelitis- A rapidly destructive inflammatory process that consists …

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PROPERTIES OF LIGHT

Properties of light Electromagnetic spectrum Wavelength White light Color temperature Amplitude Emission spectrum Reflection, absorption , refraction , frequency Refractive index Filters   EXCITER  FILTERS – used in fluoresence microscopy for transmitting light of a selected wavelength. BARRIER FILTERS ( SECONDARY FILTERS) –   – used to protect the retina from …

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Progressive Staining

In bacteriology- Simple Staining(they provide color contrast , but impart same color to all bacteria. e.g- methylene blue, basic fuschin ) Negative Staining(staining-they provide a uniformly colored background against which the unstained bacteria stand out in contrast. e.g-India ink for spirochetes ) Impregnation methods(method-cells and structure too thin to be …

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