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Oral Medicine

A CASE REPORT ON 1

1959  Lichtenstein & Bernstein first described Rare & represents approx.1% of all Chondrosarcomas Affects wide age range, peak frequency is second decade of life(  age 5-75 yr) Female more frequently than male(1.4:1)   Phillip K et al- Mesenchymal chondrsarcoma are rarely reported(3-9% of all C.Ss) Nakashima et al –osseous & …

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100 SCC JD

OBJECTIVE The objective is to report the long-term local recurrence rates in 100 consecutive patients undergoing a radical or modified radical neck dissection for clinically positive (N+) and N0 neck disease and review comprehensively the literature reporting and comparing regional control rates for both neck dissection types.     Out …

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13

Aggressive periodontitis refers to periodontal disease with an  aggressive and rapid natures that occurs in patient’s under 30 years of age.   The term aggressive periodontitis replaces the formerly used term early on set periodontitis which include 3 classification: Localized Juvenile periodontitis. Generalized Juvenile periodontitis. Rapidly progressive periodontitis   The …

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12. Sialogogues & Anti sailogogues

  Iatrogenic causes  Drugs: Anti-cholinergics (Atropine, Hyoscine) Anti-depressants (TCA’s, SSRI, Lithium) Anti-hypertensives Anti-histamines Anti-emetics Phenothiazines Proton pump inhibitors Cytotoxic drugs Opioids BZDs Diuretics Decongestants     Preventive therapy: –    Use of  topical fluorides – to control dental caries Maintenance of optimal oral hygiene, Regular dental visits, noncariogenic diet For pts …

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12 drug trials

Phase I trials are the first stage of testing in human subjects. Normally, done in a small (25 -50) group of healthy volunteers .    –  If the drug is expected to have toxicity, patients with the disease       are used.(terminal cancer or HIV and lack other treatment options) This trials are …

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10. Taste Disorders

Definition and Introduction Taste area and anatomy Taste buds and receptors cells Physiology of taste Central taste pathway Taste transduction Salivary taste interaction Factors influencing taste sensation Disorders of Gustation Causes of gustatory dysfunction Treatment gustatory dysfunction   Disorders Of Gustation: Gustatory sensation is remarkably resilient to damage and to …

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10 . gingival enlargement

INTRODUCTION CLASSIFICATION INFLAMMATORY GINGIVAL ENLARGEMENT DRUG INDUCED GINIVAL ENLARGEMENT ENLARGEMENT RELATED TO SYSTEMIC CONDITIONS NEOPLASTIC GINGIVAL  ENLARGEMENTS FALSE ENLARGEMENTS REFFERENCES   Localized: Limited to the gingiva adjacent to a single                        tooth or group of teeth Generalized: Involving the gingiva throughout the mouth Marginal: Confined to the marginal gingiva Papillary: …

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9. Cytodiagnosis in Oral diseases

Cytology is the study of the structure of all normal and abnormal components of cells and the changes, movements, and transformations of such components. It includes cytogenetic, cytochemistry, and microscopic anatomy, which involve investigations employing various microscopes, such as lightphase, interference, and electron microscopes. Cells are studied directly in the …

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9 -xerostomia

The physiologically saliva secretion is mediated through ANS;  (particularly parasympathetic nervous system).   – Muscarinic receptors are regulated by parasympathetic nervous system   – Adrenergic receptors are regulated by sympathetic nervous system. Parasympathetic fibres come from salivary nucleus present at junction of the medulla and pons near the tractus solitarius …

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8 vitamins

Also necessary for normal cell growth and development – by synthesis of many glycoproteins, which control cellular adhesion (the ability of cells to attach to one another), cell growth and cell differentiation. Beta carotenes functions as antioxidants and reduce the risk of cancers and heart attacks. Essential for reproductive processes …

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7,OMR 003

Axial section of ct reveals obliteration of maxillary sinus by soft tissue on left side ,illdefined hyperdensities are seen in rt maxillary sinus.Multiple well-defined osteolytic lesions are seen on left ramus ,a solitary well defined oval measuring 0.3cm seen on rgt ramus ,thickness of rt ramus is incresed showing sub …

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7 Probiotics

Introduction Definition and Associated Terms History of Probiotics Properties of Probiotics Physiological effects of Probiotic Bacteria Organisms used as Probiotics Benefits of Probiotics on general health Probiotics and oral health How are probiotics provided ? Major Probiotic products in the world Probiotics scenario in India Safety aspects of Probiotics   …

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6 radiotherapy 2

History Radiation Physics Radiation biology Altered fractionation therapy General concepts of Radiotherapeutic technique Techniques of Radiotherapy Advances in Radiotherapy Role of Radiation therapy for H & N  tumors  – BY SITE Dental care of the patients receiving radiation Complications & management Major & rapid advance in radiotherapy – Development of  …

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5.Antioxidants

Formation of free radicals in biological systems revolves around  the oxygen; these free radicals involving oxygen named as reactive or reduced oxygen species. Oxygen % in dry air is 21%; 2nd most abundant element in the atmosphere (Nitrogen 78%). Amount in air is negligible when compared with oxygen present as …

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4.Mixed Radiolucent and Radiopaque Lesions

Calcifying crown of developing tooth Tooth root with rarefying osteitis Rarefying & Condensing osteitis Chronic Osteomyelitis PCOD Cementoossifying fibroma Cementoblastoma Odontoma Adenomatoid Odontogenic Tumor Calcifying Odontogenic Cyst Ameloblastic fibroodontoma Calcifying Epithelial Odontogenic Tumor   Rarefying and Condensing Osteitis Frequently occurs at apex of a nonvital tooth / retained root. Chronic …

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4. TMJ Surgical techniques

Advantages of Dermis-Fat Grafts easy to harvest minimal donor site morbidity easily trimmed to fill up entire gap/cavity biologically compatible no adverse reactions excellent soft tissue barrier to re-ankylosis   This study found that the use of the dermis-fat interpositional graft is an effective procedure for the prevention of re-ankylosis …

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3.Wound healing

Macrophages are the most important cells present in the later (48–72 hours) stages of the inflammatory process & appear to act as the key regulatory cells for repair. They function as phagocytic cells as well as being the primary producer of growth factors responsible for the proliferation:    • And …

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3. TMJ Arthroscopy

Likewise, TMJ operative arthroscopy peaked in the early 1990’s and gradually fell out of favour because; The procedure took 3-4x as long as conventional surgery Few surgeons were prepared to invest time and energy to learn a skill that was highly technical but never proven to be superior to conventional …

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3 deep fungal seminar

Fungi are eukaryotic organisms. They differ from bacteria and other prokaryotes in – Presence of rigid cell walls containing chitin, mannan and other polysaccharides. They posses true nuclei with nuclear membrane and paired chromosomes. They divide asexually, sexually or by both processes. They may be unicellular or multicellular. and cells …

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2nd arch

Unable to smile, frown, raise their eyebrows, close their eyelids or pucker their lips. Drooling and difficulty with speech. Infants can have difficulty with sucking and swallowing. Unilateral or bilateral abducens paralysis Deformities of extremities Aplasia of brachial and thoracic muscles Recessive Cranio Metaphyseal Dysplasia Unilateral facial paralysis Autosomal recessive …

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2 Dark Room Processing

Introduction          –  X-ray film composition          –  Latent image formation on the film . Dark Room           – Evolution           – Dark room requirements           – Processing equipments Film processing steps . Film processing  solutions . Different methods  of  processing Processing problems and solutions Reference   Common earlier darkroom was …

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