Embryology of Tooth Development 2 - 2.3 PDF
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Uploaded by InnocuousSilver3002
University of Plymouth
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Summary
This document provides an overview of tooth development, detailing the process from histological differentiation to the life cycle of odontoblasts and ameloblasts. It covers topics such as dentinogenesis, amelogenesis, and the formation of crowns and dentine. The text includes diagrams and images.
Full Transcript
**[Embryology of tooth development 2 - 2.3]** Histodifferentiation - - **[Dentine ]** - **Dentinogenesis** - - 1. 2. 3. 4. 5. **Life cycle of odontoblast**  1.  2.  3.  -...
**[Embryology of tooth development 2 - 2.3]** Histodifferentiation - - **[Dentine ]** - **Dentinogenesis** - - 1. 2. 3. 4. 5. **Life cycle of odontoblast**  1.  2.  3.  - -  Formation of crowns and dentine - - Peritubular dentine - - Secondary dentine - - - Tertiary dentine Mild stimulus → original odonts still alive and lay reactionary dentine - tubular Severe stimulus → reparative dentine - tubular and bonelike **[Amelogenesis ]** - - Inner enamel epithelium deposits and modifies enamel **Life cycle of ameloblast**  1.  2.  3. 4.  **Stages of enamel formation:** 1. - - - - 2. - - - - 3. - - - 4. Before: 65% water 20% organic material 15% HA After: 3% water 1% organic material\ 96% HA - - - 5. - - - 6. - - 7. - - -  8.  9. - - **Enamel proteins** - - - - - **Enamel proteases** - - **Vascular supply** - - - **Nerve supply** - - - -
