Chapter 5 Histology Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

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Presentation transcript:

Chapter 5 Histology Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Histology The study of microscopic structure and function of tissues Oral histology is the study of the tissues of the teeth and the structures of the oral cavity that surround the teeth. Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Tissues of the Tooth Pulp horns Enamel Pulp chamber Pulp Dentin Pulp canal Cementum Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Enamel Rod core Interprismatic substance Tomes process & enamel matrix Lines Retzius Neonatal Imbrication Perikymata Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Enamel Spindles Enamel dysplasia Enamel tufts Enamel lamellae Treatments Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Dentin Dentinal fluid Types of dentin Peritubular Intertubular Mantle Circumpulpal Primary Secondary Tertiary Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Pulp Canal, chamber, horns Pulpitis Pulp stones Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Components of the Periodontium Enamel Dentinoenamel junction (DEJ) Dentin Pulp Gingiva Cementoenamel junction (CEJ) Cementum Alveolar process Lamina dura Apex Apical foramen Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Cementum Enamel Mantle dentin Epithelial attachment Cementoenamel junction (CEJ) Lamina propria marginal gingiva Dentinocementum junction (DCJ) Gingival fiber group Cementum Sharpey’s fibers Pulp Alveolar crest of alveolar bone proper Periodontal ligament Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Cementum Clinical concerns Cemental spurs Hypercementosis Enamel Epithelial attachment Enamel Mantle dentin Cementoenamel junction (CEJ) Dentinocementum junction (DCJ) Cementum Pulp Periodontal ligament Lamina propria marginal gingiva Gingival fiber group Sharpey’s fibers Alveolar crest of alveolar bone proper Clinical concerns Cemental spurs Hypercementosis Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Alveolar Bone Osteoblasts Osteoclasts Cortical bone Clinical concerns Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Periodontal Ligament Alveolar crest fiber group Interdental fiber group Alveolar crest Horizontal fiber group Alveolar bone Dentin Oblique fiber group Interradicular fiber group Alveolus (lamina dura) Interradicular septum Apical fiber group Interdental bone Cementum Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Periodontal Fiber Groups Alveolar crest fiber groups Horizontal fiber groups Oblique fiber groups Apical fiber groups Interradicular fiber groups Interdental (transseptal) ligament groups Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Gingival Fiber Groups Dentogingival fiber groups Circular ligament fiber groups Alveologingival fiber groups Dentoperiosteal fiber groups Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Gingival Fiber Groups Dentogingival ligament Circular ligament Alveologingival ligament Dentoperiosteal ligament Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Gingiva Alveolar mucosa Mucogingival junction Attached gingiva Gingiva groove Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Gingiva Marginal gingiva Interdental gingiva Gingival sulcus Epithelial attachment Clinical considerations Gingival hyperplasia Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.

Gingiva Gingival groove Marginal gingiva Interdental gingiva Attached gingiva Mucogingival junction Alveolar mucosa Copyright © 2004 by Delmar Learning, a division of Thomson Learning, Inc. ALL RIGHTS RESERVED.