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313 PCS Course Revision

313 PCS Course Revision. Sunday 15 th December, 2012. What is the normal color of gingiva ? What is the normal shape, contour, and texture? What is the normal consistency?. What is the normal depth of Gingival Sulcus ?.

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313 PCS Course Revision

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  1. 313 PCS Course Revision Sunday 15th December, 2012

  2. What is the normal color of gingiva? What is the normal shape, contour, and texture? What is the normal consistency?

  3. What is the normal depth of Gingival Sulcus?

  4. How can we measure the width of Keratinized Gingiva and Attached Gingiva?

  5. Where do we find the greatest width of Attached Gingiva? Narrowest?

  6. What is the Major cell type of gingival epithelium?

  7. In terms of Keratinization:Palate?Outer (Oral)Epithelium?Sulcular Epithelium?Junctional Epithelium?

  8. What are the functions of Gingival Sulcular Fluid?

  9. 1- Cleanse material from the sulcus. 2- Contain plasma proteins that may improve adhesion of the epithelium to the tooth. 3- Antimicrobial properties. 4- Antibody activity to defend the gingiva.

  10. What are the three types of collagen fibers in gingiva?

  11. 1- Collagen Type I Main Bulk Tensile Strength. 2- Reticular Type IV Collagen Continuous with fibers of basement membrane. 3- Elastic fibers distributed among collagen fibers.

  12. What are the sources of blood supply to the gingiva?

  13. 1- Supraperiosteal arterioles. 2- Vessels of the periodontal ligament. 3- Arterioles from the crest of interdental septa.

  14. What is the most important element in the periodontal ligament?

  15. What is Sharpey’s fibers?

  16. What is the main composition of the Principal fibers?

  17. How many arrangement are their for principal fibers?

  18. 1- Transeptal Group Between 2 teeth above the crest. 2- Alveolar Crest Group run obliquely prevent extrusion and lateral movement. 3- Horizontal Group. 4- Oblique Group Largest group resist masticatory stress and transmit it to bone.

  19. 5- Apical Group. 6- Interradicular group

  20. What are the major cells in periodontal ligaments?

  21. What are the main functions of periodontal ligament?

  22. 1- Resistance to Impact of Occlusal Forces (Shock Absorption). 2- Transmission of Occlusal Forces to Bone. 3- Formative and Remodeling Functions. 4- Nutritional and Sensory Functions.

  23. What are the main types of Cementum?

  24. 1- AcellularCementum the cervical half of root. 2- Cellular Cementum.

  25. CEJ

  26. What is the Alveolar process? What is the Alveolar Bone Proper? What is Periosteum and Endosteum?

  27. What are Fenestrations and Dehiscence?

  28. What is the difference between Gingivitis and Periodontitis?

  29. How do we classify Gingivitis and Chronic Periodontitis?

  30. Dental plaque: is defined clinically as a structured, resilient yellow-grayish substance that adheres tenaciously to the intraoral hard surfaces, including removable and fixed restorations. The tough extracellular matrix makes it impossible to remove plaque by rinsing or the use of sprays. Materia alba:refers to soft accumulations of bacteria, food matter, and tissue cells that lack the organized structure of dental plaque and are easily displaced with a water spray. Calculusis a hard deposit that forms by mineralization of dental plaque and is generally covered by a layer of unmineralized plaque

  31. The process of plaque formation can be divided into several phases: 1- The formation of the pellicle on the tooth surface. 2- Initial adhesion/attachment of bacteria. 3- Colonization/plaque maturation

  32. What are the differences between Supra and Sub Gingival Calculus?

  33. Thank You

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