Lecture slides anatomy of periodontium 2008

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Gingival Fluid (Sulcular Fluid) It can be represented as either a transudate or an exudate It is potential use as a diagnostic or prognostic biomarker of the biologic state of the periodontium in health and disease. It is contains components of connective tissue, epithelium, inflammatory cells, serum, and microbial flora inhabiting the gingival margin or the sulcus (pocket). In the healthy sulcus the amount of the gingival fluid is very small. During inflammation, however, the gingival fluid flow increases The main route of the gingival fluid diffusion is through the basement membrane, through the relatively wide intracellular spaces of the junctional epithelium, and then into the sulcus. The functions are: • cleanse material from the sulcus, • contain plasma proteins that may improve adhesion of the epithelium to the tooth, • possess antimicrobial properties, • exert antibody activity to defend the gingival. 12 June 2008 Year 3 Block Head & Neck 34
Gingival Connective Tissue The major components of the gingival connective tissue are collagen fibers (about 60% by volume), fibroblasts (5%), vessels, nerves, and matrix (about 35%). It is known as the lamina propria and consists of two layers: • a papillary layer subjacent to the epithelium, which consists of papillary projections between the epithelial rete pegs, • a reticular layer contiguous with the periosteum of the alveolar bone. The ground substance fills the space between fibers and cells, is amorphous, and has a high content of water. 12 June 2008 Year 3 Block Head & Neck 35
Page 1 and 2: Anatomy of Periodontium Erry Mocham
Page 3 and 4: GINGIVA 12 June 2008 Year 3 Block H
Page 5 and 6: Objectives Student should be able t
Page 7 and 8: Gingiva Marginal/margin/free/unatt
Page 9 and 10: Gingival Sulcus Is the shallow
Page 11 and 12: Gingiva: Interdental papilla Fig.4
Page 13 and 14: Objectives Describe the normal
Page 15 and 16: Cell type of the gingival epitheliu
Page 17 and 18: Representative cells from the vario
Page 19 and 20: Figure 4-12 Human gingival epitheli
Page 21 and 22: Figure 4-14 Variations in gingival
Page 23 and 24: 1. GINGIVAL EPITHELIUM Bucco-lingua
Page 25 and 26: Oral epithelium of the gingiva
Page 27 and 28: Junctional Epithelium (JE) Str
Page 29 and 30: Junctional epithelium Inflamed junc
Page 31 and 32: Renewal of gingival epithelium Da
Page 33: Junctional epithelium The attach
Page 37 and 38: Gingival Connective Tissue The
Page 39 and 40: Gingival collagen group Circular gr
Page 41 and 42: Gingival cells Fibroblasts
Page 43 and 44: Blood supply Supraperiosteal arter
Page 45 and 46: Repair of Gingival Connective Tissu
Page 49 and 50: Color The color of the attached
Page 51 and 52: Contour The contour or shape of
Page 53 and 54: Consistency The gingiva is firm an
Page 55 and 56: Consistency Microscopically, stipp
Page 57 and 58: 1 2 3 1 1. Healthy gingiva in the p
Page 59 and 60: Position Initial recession (left),
Page 63 and 64: Objectives Describe the struct
Page 65 and 66: Principal fibers of the periodontal
Page 67 and 68: The location of some of the princip
Page 69 and 70: Figure 5-1 Principal fibers of the
Page 71 and 72: Figure 5-3 Collagen microfibrils, f
Page 73 and 74: Figure 5-5 Transseptal fibers (F) a
Page 75 and 76: Figure 5-7 Epithelial rests of Mala
Page 77 and 78: Figure 5-9 Foramina perforating the
Page 79 and 80: Cellular Elements The epithelial r
Page 85 and 86:
Physical Functions Provision o
Page 87 and 88:
Nutritional and Sensory Functions
Page 89 and 90:
Figure 5-11 Microscopic view of rat
Page 91 and 92:
Table 5-1. Thickness of Periodontal
Page 93 and 94:
Objectives Describe the types
Page 95 and 96:
Distribution of cementum on the too
Page 97 and 98:
Figure 5-13 Cellular cementum (CC)
Page 99 and 100:
Objectives Describe the types
Page 101 and 102:
Thickness of Cementum Cementum dep
Page 103 and 104:
Figure 5-15 Cemental resorption ass
Page 105 and 106:
Figure 5-17 Resorption of cementum
Page 107 and 108:
ALVEOLAR PROCESS 12 June 2008 Year
Page 109 and 110:
ALVEOLAR PROCESS The alveolar proc
Page 111 and 112:
Figure 5-18 Mesiodistal section thr
Page 113 and 114:
Cells and intercellular matrix Ost
Page 115 and 116:
Figure 5-23 Deep penetration of Sha
Page 117 and 118:
Figure 5-20 Relative proportions of
Page 119 and 120:
Periosteum and Endosteum All b
Page 121 and 122:
Figure 5-25 Interdental septa. A, R
Page 123 and 124:
Contours Normally conforms to the
Page 125 and 126:
Figure 5-28 Variation in the cervic
Page 127 and 128:
Figure 5-29 Dehiscence on the canin
Page 129 and 130:
Remodeling of Alveolar Bone Int
Page 131 and 132:
mesial distal Figure 5-24 Bundle bo
Page 133 and 134:
Occlusal Forces and the Periodontiu
Page 135 and 136:
Figure 5-31 Atrophic periodontal li
Page 137 and 138:
Figure 5-32 Vascular supply of monk
Page 139:
REFERENCES/SUGGESTED READING Carra
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Lecture slides anatomy of periodontium 2008

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