👉 Periosteous is a term used in the field of dentistry that refers to the process by which dental tissues undergo changes over time. These tissue changes can include the formation of new bone and the replacement of existing bone with new bone, which may be from either osteoblasts (bone-forming cells) or osteoclasts (bone-resorbing cells). Periostosis is a condition that occurs in the period immediately after tooth eruption, and it can lead to changes in