Tooth regeneration, the replacement of lost dental structures, is a complex biological process. While many organisms, such as sharks and reptiles, possess the innate ability to regrow teeth throughout their lives, humans and most mammals are limited in this capacity. The potential duration for natural tooth replacement in humans is typically restricted to the primary dentition period. Permanent teeth do not naturally regrow once lost or damaged.
The significance of understanding tooth regeneration lies in its potential to revolutionize dental care. A functional tooth regrowth capability would eliminate the need for dentures, bridges, and implants, providing a permanent and biologically integrated solution for tooth loss. Throughout history, the pursuit of tooth regeneration has been a central theme in dental research, driven by the aspiration to restore oral health and function to individuals who have suffered tooth loss due to trauma, disease, or aging.