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A periapical or radicular cyst is an odontogenic cyst that can be associated with the apex of a tooth with pulp necrosis, and commonly of inflammatory origin. This inflammation is related to the proliferation and stimulation of cells to the debris of epithelial debris of Malassez found in the periodontal ligament, with inflammation at the site. It is one of the most frequent lesions in the anterior maxilla region, but it can also be found in the mandible. With a predilection for both sexes in adult life between 30 and 40 years old. It has a slow progression, in most cases it is asymptomatic, and depends on its extension1. Generally, the appearance of the periapical cyst is an infection of the root canal, if not treated and will have the appearance of the lesion. On clinical examination, the periapical cyst is small, asymptomatic, and may rarely be tender and painful to percussion, and on radiographic examinations, the cyst can be seen on a panoramic x-ray or on a CT scan of the specific region. The surgery will be the reconstruction for the bone defect and thus, return the esthetics. Therefore, there are several techniques for using innovative grafts depending on the case. [ABSTRACT FROM AUTHOR]