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Oral Pathology

PROBIOTICS AND PREBIOTICS

[SmartArt graphic] Immune modulatory action Production of anti-microbial substances Binding to dental surfaces Inhibition of pathogen adhesion,colonisation & biofilm formation     Other species :- Enterococcus faecium Pediococcus acidilactici Saccharomyces boulardii Propionibacterium freudenreichii Leuconostoc mesenteroids ssp dextranicum Streptococcus salivarius ssp. Thermophilus

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premalignancy 2

Architecture Irregular epithelial stratification Loss of polarity of basal cells Basilar hyperplasia Increased number of mitosis Abnormally superficial mitosis Premature keratinization in  single cells (Dyskeratosis) Keratin pearls within rete ridges Cytology Abnormal variation in nuclear size (Anisonucleosis) Nuclear pleomorphism (variation in nuclear shape) Abnormal variation in cell size (Anisocytosis) Cellular …

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premalignancy 1

Paan shops are at every nook and corner, and attract youngsters with loud music and flashy hangings of tobacco products. Start smoking , get addicted, regret forever Youngsters usually start smoking in the company of friends. Muttamma- 65 year old farmer suffering from oral cancer. She started chewing Zarda Paan …

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POLARIZED MICROSCOPY seminar

History & Introduction of polarized microscopy Polarized light Birefringence Constituents of polarized microscope Dichroism Applications of polarized microscope Advantages & disadvantages of polarized microscope Conclusion Over the last 150 years , there has been a painstaking development of new techniques for light and electron microscopy, which facilitates the precise analysis …

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Plaque control

The various aids used for mechanical plaque control can be listed as follows Toothbrushes   a)Manual toothbrush b) Electric toothbrush Interdental aids   a) Dental Floss   b) Triangular toothpicks   c) Interdental brushes Aids for gingival stimulation   a) Rubber tip stimulator b) Balsa wood edge Others   a) …

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plaque control

Soft or medium multituffed brush placed at 45 angle to the long axis of the teeth. The sides of the bristles  -flexed against the gingiva,  back and forth vibratory motion,   The technique is designed to gently massage the gingiva,      Recommended for cleaning areas of healing wounds after periodontal surgery. …

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physiology of wound healing

The repair of tissue damage broadly separated into two processes, regeneration and healing . Regeneration refers to growth of cells and tissues to replace lost structures. Wound healing is the effort of tissues to restore normal function and structure after injury                 -To reform barriers to fluid loss and infection,                 -limit …

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Physical injuries III validated

At  the end of the lecture student should be able to: Enroll Effects of orthodontic tooth movement Describe Eosinophilic ulceration Describe physical injuries of soft tissues Describe denture stomatitis Describe Epulis fissuratum Describe Mucocele Describe Radiation injuries   Occurrence of hyperplasia along the borders of the ill fitting dentures. May …

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physical & chem inju I validated

SYSTEMIC FACTORS :- Gastrointestinal disturbances, Subclinical nutritional deficiencies Allergy Endocrine disturbances PSYCHOLOGICAL FACTORS:- Most common cause. Patients suffering psychological problems    of fear, rage, rejection etc.   BIBLIOGRAPHY Text book of oral pathology Shafer’s, 5 & 6th edition Color Atlas of Oral Diseases Cawson, R.  2nd edition Oral  and Maxillofacial …

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periodontium 3 & 4 part

Physical functions: Soft tissue casing to protect Transmission of occlusal forces to the bone Attachment of teeth to bone Maintainence of gingival tissue in their proper relationship. Resistance to impact of occlusal forces(shock absorption) Tensional theory Viscoelastic theory   Thickness varies in different individuals & different teeth in same person. …

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Periodontal Diseases-III

Learning Objectives At the end of lecture student should be able to Define Chronic Periodontitis, Describe etiology and clinical features of Chronic Periodontitis Define Aggressive Periodontitis Describe etiology and clinical features of Aggressive Periodontitis Define Necrotising Ulcerative Periodontitis Describe etiology and clinical features of Necrotising Ulcerative Periodontitis Features of Localized …

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Periodontal Diseases-II new

Lack of proper hygiene Periods of susceptibility (puberty, pregnancy (progesterone level), menopause) Smoking Diet (poor nutrition) Medications Diabetes mellitus Metal poisoning Trauma/mastication injury Tooth crowding/overlap Mouth breathing   Defined by the presence of granulomatous inflammation in    the gingiva; most often in adult patients; solitary or     multifocal red or red/white macules …

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Periodontal diseases- IV

Student should be able to Describe definition, clinical features of Gingival abscess Describe precipitating factors &  clinical features of Periodontal Abscess Enlist clinical manifestations  seen in Papillon-Lefèvre Syndrome Describe clinical features &treatment of Pericoronitis Autosomal recessive  – –Oral and dermatologic manifestations Meleda’s disease – dermatologic changes in the absence of …

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pedogi new

Most neoplasms in parotid 75%, 0.8% in sublingual glands. Remainder equally distributed between submandibular gland and minor salivary glands Incidence of malignant neoplasm increases after 4increases 4th and 5th decades and peaks 65and 65-75 years. Benign neoplasm present slightly earlier. Malignant neoplasm occur most often in men Cancers of the …

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pediatric soft tissue lesions

Acute necrotizing ulcerative gingivitis (ANUG) is an acute periodontal emergency that has been described in children. The condition has been linked to elevated levels of spirochetes and Prevotella intermedia. Among the pre-existent conditions that can affect the development of the disease, malnutrition and immune deficiency are particularly relevant. The clinical …

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Pathogenicity

After incubation of 6 wks to 6 months pt. develops malaise, anorexia,nausea, vomiting and pain in upper rt.abdominal quadrant. few pts. develop maculopapular rashes, polyarteritis nodosa and glomerulonephritis. It is due to circulating immune complex.   S gene  consist of s region, pre s1,s2 regions. It codes for surface Ag, …

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paranasal sinuses

By the end of the presentation a learner should be able to :- Enlist the Paranasal Sinuses. Describe the Development of PNS. Enumerate the Functions of Paranasal Sinuses. Illustrate the  Blood supply,  Nerve Supply & Lymphatic drainage. Enumerate  the Diagnostic Methods in the Diseases of the Sinuses. Describe the Developmental …

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PALATAL PERFORATIONS

The word “palate” comes from the latin word “palatine” which essentially means the “the roof”.  The Hard Palate is a partition between the nasal and oral cavity. Its anterior 2/3rd  are formed by the palatine processes of the maxilla and its post 1/3rd  by the horizontal plates of the palatine …

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osteomyelitis

At the end of the session learner should be able to: Initiate & perform examination of the patient with maxillary sinus pathology. Order and interpret the  necessary radiographs. Differentiate the pathology from other similar lesions. Prescribe laboratory investigations if required. Interpret histopathological features of the condition. Arrive at final diagnosis. …

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Osteomyelitis (2)

At the end of the session the learners should be able to- Classify osteomyelitis Enumerate predisposing factors. Discuss pathogenesis of osteomyelitis Describe the radiographic features of osteomyelitis. Discuss differential diagnosis of osteomyelitis   Suppurative Osteomyelitis Acute Suppurative Osteomyelitis Chronic Suppurative Osteomyelitis           Primary- no acute     phase preceding          Secondary- …

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Osteoclast

Identification and characterization of osteoclast-like cells and their progenitors in cultures of feline marrow mononuclear cells KENNETH. IBBOTSON, G. DAVID ROODMAN, LINDA M . McMANUS, and GREGORY R. MUNDY The Medical Service of the Audie L. Murphy Memorial Veterans Administration Hospital and Departments of Medicine and Pathology of the University …

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OSCC

Elderly males Bulging of alveolar ridge Loosening of molars Swelling of the face Unilateral stuffiness Invasion of floor of sinus results in oral features   Shafer’s Text Book of Oral Pathology 5 & 6th edition Oral  and maxillofacial pathology Neville, brad w 2nd edition Oral cancer & Precancer J Pindborg …

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orofacial pain-part-II

Neurotransmitters are divided into 2 types- Small rapid acting molecules –Acetylcholine,                                        Norepinephrine, Glutamate, Aspartate,                                        Serotonin(excitatory)                                      – GABA, Glycine, dopamine(Inhibitory) Larger slower acting molecules-       Substance P, Endorphins   Acetylcholine is a very widely distributed excitatory neurotransmitter that triggers muscle contraction and stimulates the excretion of certain hormones. …

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Orofacial Pain

The Nature of Pain Defination Neural anatomy of orofacial pain Neurophysiology of orofacial pain Central processing and Psychology of pain Clinical considerations of pain Measurement of Pain and Disability History of Orofacial pain Orofacial Pain Clinical examination Establishing the pain category Confirmation of clinical diagnosis Classification of orofacial pain Orofacial …

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Oral manifestations of sexually transmitted diseases

Nomenclature STDs and Dentistry STDs and Causative Agents Vertical Transmission of STIs Oral manifestations and treatment of sexually transmitted diseases. Dental  & Medical Considerations Conclusion Some STDs are incurable —–all are preventable. Dental health care workers can be important components of STD control because: STDs are transmitted by intimate interpersonal …

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