Introduction:

Bone regeneration allows the reintegration and conformation of tissues after the extraction or correction of a bone defect. It is considered a stimulation technique for the formation of new bone, where the construction and preservation of the clot is favored in order to avoid infiltration in the repair area of cellular components (epithelial and conjunctiva cells).

Objective:

Describe the changes at the morphological level during the bone regeneration process and mention different bone preservation techniques and the necessary factors for their implementation.

Case presentation:

Female patient with asymptomatic apical periodontitis in dental organs 34 and 37, who underwent alveolar preservation through the practice of atraumatic exodontics and bone regeneration with xenograft, collagen membrane placement and immediate post-extraction implant.

Main comments:

The immediate placement of post-exodontic implants allows a good preservation of the alveolus, as long as the clinical conditions of the patient allow it, for example, the absence of exacerbated infectious processes as in the present case. Bone regeneration, in the defect produced by the periapical inflammatory process, involved a correct detoxification of the area through curettage and the application of antibiotics. Exaggerated immune response to bone grafts is not common; however, in this case it led to a partial loss of bone substitute without compromising the prognosis of the implants.

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