Odontogenesis | Introduction скачать в хорошем качестве

Odontogenesis | Introduction

Odontogenesis, meaning the development of a tooth, is a complex yet interesting phenomenon whereby a tooth forms by going through various odontogenesis stages. This unique process of odontogenesis starts with the formation of a tooth bud. Let us watch this video to revise the important steps involved in Odontogenesis. We will be looking at the histological slides of each Tooth development step and see which important structures are involved. We also have summarised all the information in a pdf, that can be used as supplementary material while you are watching this Embryology lecture. ▬ 📌 Odontogenesis - Stages There are three histological stages of tooth development: 👉 Stage One: Bud stage of tooth development Once the presence of small, round, ovoid swellings is detected, the first stage i.e. formation of tooth bud begins. This first stage in tooth development is known as the Bud Stage or Initiation Stage and starts at week 8 in utero. 👉 Stage Two: Cap stage of tooth development The process of multiplication is a characteristic of this stage. The stage, known as Cap Stage, or Proliferation Stage, starts at week 9 in utero. In histologic sections, the dental papilla is covered, giving the appearance of a cap; hence it is called a cap stage. 👉 Stage Three: Bell stage of tooth development This is the final act of the performance. Everything matures in this stage, and the appearance of a bell occurs. Hence, this stage is known as the Bell Stage. The cells mature both histologically and morphologically. Histological maturation occurs at week 11 in utero in the Early Bell Stage of tooth development and morphological maturation occurs at week 14 in utero in the Late Bell Stage or advanced bell stage of tooth development. So, these were the histological as well as morphological stages of tooth development. ▬ 📌 Root Development of Tooth When all the stages of tooth development are complete and the crown is formed, another process is known as root formation. Root formation begins at the cervical loop with the appearance of Hertwig’s epithelial root sheath. Hertwig’s epithelial root sheath holds significance in shaping the root during the process of odontogenesis. Cells like ameloblasts and odontoblasts are formed along with cells of the periodontium, and they are cementoblasts, osteoblasts, and fibroblasts. So, that was all about odontogenesis histology and the three stages of odontogenesis. To learn even more, watch the complete odontogenesis video! ▬ 🎬 5500+ sqadia.com Medical Videos ▬▬▬▬▬▬▬▬▬▬ 👩🏻‍⚕️ Accessible Medical Student Education 24/7/365 💡 Simplifying Medical Learning 💪 Study Hard, Dream Big, Achieve More