A case report of long-term follow-up of guided bone regeneration technique and implant restoration at the mandibular molar area with severe alveolar bone loss from a periapical lesion

This report presents a case of long-term observation after guided bone regeneration and implant repair in a patient who showed severe alveolar bone loss from a periapical lesion of #46. The patient received cyst enucleation and extraction of #46 under general anesthesia, and had guided bone regeneration after 18 months. The implant was placed as following year and patient was followed for eleven years.