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Perio Midterm

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Question
Answer
Normal: Retrocuspid Papilla Gingival fibrous Nodules at MGJ   show
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show soft CT between bone & tooth .4- 1.5mm space (4) Functions: SUPPORTIVE- suspends & maintains tooth in socket SENSORY- Pressure & Pain NUTRITIVE- nutrients to Cementum & Bone RESORPTIVE- 'remodel' the alveolar bone in response to pressure (Ortho)  
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show Gingiva, PDL, Cementum, Alveolar Bone  
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Gingiva:   show
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Interdental G.   show
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show Healthy: 1-3mm  
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show mesechimal CT 45-50% Inorganic *more resistant to resorption than bone(good for Ortho, root remains) Anchors PDL fibers to tooth (Sharpey's) Protects Dentin (seals Tubules), Compensates for occlusal attrition (forms at apical area of root  
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Alveolar Bone or Process   show
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show Compact, outside wall, max. &mand. Thicker in molar regions, NOT seen radiographically  
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show Healthy: 1-2mm below CEJ, follow contours of CEJ  
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show Interior, between cribiform plate(alv. bone proper) and the Cortical bone  
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Alveolar Bone Proper OR Cribiform Plate OR Lamina Dura   show
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Gingiva Innervation   show
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PDL & Teeth Innervation   show
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Periodontium Vascular Supply (gingiva,PDL, Alveolar Bone)   show
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Teeth & Periodontal Tissues Blood Supply   show
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Submandibular Lymph Nodes   show
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show Drains Palatal Gingiva of Maxilla  
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show Drains gingiva in Mand. Incisors  
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show Drains gingiva in 3rd Molar area  
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Basal Lamina   show
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show No Nuclei, tough  
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show Nuclei, soft/flexible cushion, *Epi. tissues receive blood supply from CT  
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Desmosomes   show
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show cell junction connecting epi cells to basal lamina  
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Periapical Cemental Dysplasia (NOT true Cementoma) PULP test for vitality to avoid unecessary RCT   show
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show Alveolar bone proper w/ Sharpey's fibers inserted  
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Interdental Septum   show
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show deepening of sulcus-solely from gingival enlargement(tissue swelling or increased collagen fibers in CT). JE remains coronal to CEJ, No PDL destruction  
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show Pathologic deepening of sulcus Suprabony-Horizontal bone loss Infrabony- Vertical bone loss (uneven) PDL & bone destroyed  
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Fenestrations   show
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Dehiscence   show
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Wolf's Law   show
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show Grade 1: up to 1mm Grade 2: more than 1mm grade 3: F,L,M,D horizontal & vertical displacement  
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show Inactive: little or no bleeding, minimal fluid and bacterial flora Active: More bleeding, Large amounts of fluids/exudates and bacteria  
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show (4)Phases 1.adheres to glycoprotein pellicle 2. Initial colonization within 2dys w/ gram+ 3. Secondary Colonization- slime layer produced, bacteria multiply 4. Mature biofilm-Pedunculated,gram -,anaerobes *Must mature to cause perio damange  
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Epithelium attached biofilm   show
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show Healthy: 100-1000, 75%-80% gram+, non-motile, mostly Cocci Gingivitis: 1,000-100,000, Equal gram-& gram+ Periodontitis:100,000-100,000,000 more Gram- anaerobes,motile,asaccralytic small % are perio pathogens  
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show harmful proteins Gram - have Lipopolysaccharides (cell walls)  
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show Tooth Anatomy, Nutrition, Malocclusion, Medication i.e. Dilatin, Hormones/birthControl, xerostomia, Faulty dentistry, Disease i.e. diabetes, HIV  
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show 1st- increase in crevicular fluid MOST DETECTABLE- Bleeding  
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show CT cells, Fibroblasts(collagen), Osteoblasts, osteoclasts, Cementoblasts -Epi Rest cells (Malassez)remnants of Hertwig's root sheath -Defense cells -Neurovascular Cells  
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6 Principal fibers   show
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Fremetus   show
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Periodontal Disease Bacteria   show
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show Acute, Anaerobic glycolysis=acidity leaves axial stream->pavementing Lysosomes- can kill/digest bacteria after phagocytosis  
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show 10X more blood increased permeability  
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Edema fluid (Exudate BEFORE Cellular Phase)   show
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show not as many but live longer, no memory phagocytosis  
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B cells->plama cells->Antibodies   show
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show powerful protein mediators: recruits cells, increase permeability, can cause tissue destruction in chronic cases  
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show powerful inflammatory mediators, trigger osteoclast activity-> Destroys Bone, Promotes overproduction of MMP  
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show 12+ enzymes, collagen destruction  
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Complement System   show
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show Thick Single Cell Wall, Purple  
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Gram -   show
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show 1. Initial Colonization, 2dys mainly Gram+ 2. Secondary Colonization: Slime layer (protects, adheres), bacteria multiplies 3. Mature- complex mushroom microcolonies, extremely resistant antibiotics/microbials- Mechanical Removal!  
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show harmful proteins i.e. leukotoxins (AA), hydrogen sulfide, ammonia  
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show I: curvature felt w/probe, penetrates<1mm II: penetrates, but not completely through, III: Completely through IV: same as III but visible because of recession  
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Oxytalin and Eulanin   show
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COL:   show
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Epi Cells   show
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show more in coronal half of root, mostly calcified Sharpeys fibers  
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show More apical root portion, Increases w/ age in apical and furcations  
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show age 40, 5mm loss in Q length from 3rd Molar to midline  
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show capillaries from Endothelia cells (BV) feed/bring fibroblasts, fragile, Granulation tissue forming  
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Fibroblastic Proliferation   show
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Dark Field Microscopy   show
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show Ca, Phosphorus, carbonate, Sodium, Magnesium, Potassium...S  
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Saccrolytic Asaccrolytic   show
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Unattached Plaque   show
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Tooth attached plaque   show
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Virulence   show
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Vasodilation   show
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ARESTIN   show
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