Vertical bone augmentation of posterior mandibular region: a description of two surgical techniques
ABSTRACT Correction of severe vertical bone deficiency in the posterior region of mandibular alveolar ridge requires surgical management if implants are scheduled and cannot have primary stability. The aim of the present study is to report two cases; one treated with alveolar osteogenesis distraction and the other with segmental osteotomy with autologous graft interposition, by describing the surgical steps as well as show the results and experiences acquired with these techniques. We opted for these methods to reconstruct the posterior mandibular region after remarkable vertical bone loss based mainly by the height and thickness of the remaining bone. Alveolar osteogenic distraction is highly advisable when vertical deficiency is severe, and if these cases are treated with the segmental osteotomy and autologous graft interposition, complications as graft failure, necrosis and resorption are more prone to occur due to insufficient vascularization. After bone maturation and bone neoformation secondary to alveolar osteogenic osteogenic distraction and segmental osteotomy with autologous graft interposition, respectively, the two presented case reports were able to securely receive dental implants. In cases of vertical bone loss of the posterior mandibular region, both surgeries currently represent the best choice for bone gain prior dental implants placement for oral rehabilitation, without technical challenges, although biological evidence to assure the superiority of one technique over the other must be further investigated.
Main Authors: | QUEIROZ,Adalmir Gonzaga dos Santos, SILVA,Yuri Slusarenko da, COSTA,Pedro Jorge Cavalcante, FERRAZ,Flávio Wellington da Silva, NACLÉRIO-HOMEM,Maria da Graça |
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Format: | Digital revista |
Language: | English |
Published: |
Faculdade São Leopoldo Mandic
2016
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1981-86372016000300333 |
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