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Alveolar Ridge Expansion

The osseointegration of dental implants depends on several factors where adequate bone volume is critical; conditions such as peripheral bone structure to the implant maintain at least 1mm bone width must be respected.

Different cases of bone resorption require bone reconstruction after implant installation; the main objectives of this phase are to optimize the functional and aesthetic aspects of implant installation as well as long term stability. Autogenous bone graft is the only one that has the properties of osteogenesis, osteoinduction and osteoconduction in a way that is far superior to other reconstructive materials; Still, the use of bone graft involves a timeout for the installation of implants, modification of the conditions of life of patients due to the limitations of surgery and depending on the anatomical area, difficulties in the type of reconstructive technique to use and associated morbidity.

An alternative to this reconstructive techniques lies in the art of alveolar expansion or alveolar ridge separation technique (better known as "splint crest"), that being an adaptive technique, consists in separating the buccal and lingual alveolar bone plates through an osteotomy of the alveolar ridge and (in some occasions) one or two lateral osteotomies in the anterior and posterior segments of the vestibular region to mobilize this segment causing a "Greenstick" fracture in the lower sector of the alveolar ridge. The technique allows the reconstruction with bone volume increased bone implant installation with at the same time.

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