Histology of Dentine PDF - Oral and Dental Sciences

Histology of Dentine Tutor: Lauren Stockham Module: Oral and Dental Sciences Year 1 Intended learning outcomes By the end of the session students should be able to: Describe the composition and structure of dentine Distinguish between the 3 types of dentine (primary, secondary and tertiary)...

Histology of Dentine Tutor: Lauren Stockham Module: Oral and Dental Sciences Year 1 Intended learning outcomes By the end of the session students should be able to: Describe the composition and structure of dentine Distinguish between the 3 types of dentine (primary, secondary and tertiary) Describe how the structure of dentine relates to its function Apply this knowledge to interpret the clinical significance of dentine in health and disease GDC Learning Outcomes: 1.1.5, 1.1.6 Histology of the tissues of the teeth and supporting structures Enamel Dentine Pulp Cementum Bone (alveolar) Periodontal ligament Gingiva Refresh prior knowledge… 1. Location of dentine 2. Dentinogenesis – how dentine is formed 3. Embryonic origin - ? Refer back to lectures: - Oral embryology - Tooth morphology Identify the dentine in this cross-sectional diagram of a tooth Why do you need to know about dentine? Identification of Dentine caries - Pathology and hypersensitivity Restorative and repair of bonding infected, Radiographs and dentine linked materials affected and management healthy dentine to pulp This knowledge links to clinical assessment, diagnosis, management and advice. These are some examples, but not exhaustive. Key features: Dental Tubules Composition and Structure Composition of dentine Approximately: 70% inorganic minerals calcium hydroxyapatite (smaller than enamel) 20% organic material Majority collagenous rich matrix (18%) Minority non-collagenous matrix proteins and lipids (