Doctors Jaume and Oriol Llena Blasco will participate as speakers at the “15º IBERIAN SYMPOSIUM ZIMMER BIOMET DENTAL” which will be held in Madrid on the 3rd and 4th of February. The title of the paper is “Implants, Ankylosis, Agnesia” where they will present an update of the treatment with and without implants of the agnesis (lack of teeth) from the adolescent patient to the adult patient.