Anatomy and Physiology of Periodontium

Anatomy and Physiology of Periodontium

1. Gingiva

   • Macro
     • Attached
       • free gingival groove to mucogingival junction
     • Free
       • FGM to base of gingival sulcus
       • Gingival Biotypes
         • Thin
         • Thick
   • Micro
     • Epithelium
       • oral outer epithelium
       • Sulcular epithleium
       • Junctional epithelium
     • CT
       • 2 layers
         • Reticuar
         • Papillary
         • Components
           • Cells
           • Fibers
             • Types
               • Collagen
               • Reticulin
               • Oxytalan
               • Elastin
             • Orientation
               • Trans-septal
               • Dento-alveolar

2. PDL

   • Connective tissue connecting cementum to alveolar socket

3. Bone

   • Cementum
     • thin layer of mineralized tissue surrounding surface of the root
   • Alveolar bone
   • Components
     • periosteum
     • Endosteum
     • Medullary
   • Types
     • Cortical
     • Spongy

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