autogenous bone grafts
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Author(s):  
Matteo Serroni ◽  
Michele Paolantonio ◽  
Luigi Romano ◽  
Pasquale Santamaria ◽  
Imena Rexhepi ◽  
...  

Materials ◽  
2021 ◽  
Vol 14 (20) ◽  
pp. 6049
Author(s):  
Erick Ricardo Silva ◽  
Vitor Ferreira Balan ◽  
Daniele Botticelli ◽  
Claudio Soldini ◽  
Roberta Okamoto ◽  
...  

Background: The volumetric and biological behaviors of equine block grafts compared with autogenous block grafts have not yet been assessed. Hence, the aim of the present study was to compare—by means of histomorphometry, immunohistochemistry and microtomography—the graft incorporation and remodeling processes of autogenous and equine xenogenous bone blocks used for mandibular lateral augmentation in rabbits. Methods: Autogenous bone grafts harvested from the iliac bony crest and equine block grafts were secured to the lateral aspect of the mandible angle of eighteen rabbits. The healing after 7, 20 and 60 days was assessed in six animals each period. Results: After 60 days, new bone was present 24.2 ± 11.2% and 31.6 ± 13.3% in the autograft and xenograft groups, respectively. A better integration to the recipient sites was observed in the autogenous compared with the xenogenous blocks. Conclusions: Both xenogenous and autogenous bone blocks presented similar percentages of newly formed bone over time. However, bone volume, the quality of the grafted area and graft incorporation to the recipient sites were superior in the autogenous compared with the equine xenogenous graft sites.


Author(s):  
Jefrey E. Rojas‐Paulús ◽  
Gustavo G. P. Manfredi ◽  
Samira Salmeron ◽  
Alberto Consolaro ◽  
Adriana C. P. Sant'Ana ◽  
...  

2020 ◽  
Vol 2020 ◽  
pp. 1-6 ◽  
Author(s):  
Carlo Maiorana ◽  
Susanna Ferrario ◽  
Pier Paolo Poli ◽  
Mattia Manfredini

The successful use of osseointegrated implants in the treatment of partial or complete edentulism requires a sufficient bone support. Whenever rehabilitation in atrophic edentulous areas is needed, bone augmentation procedures are recommended. The aim is to provide adequate amount of supporting bone to achieve a prosthetically guided implant placement. This in turn leads to functional and aesthetic improvements that can be maintained on the long term. Bone grafting of the atrophic site can be performed either prior to implant placement or at the time of implantation. Irrespective of the timing, bone augmentation by means of autogenous bone grafts is a reliable technique, as confirmed by several studies. On the other hand, long-term evidence on the use of autogenous chin block grafts in preprosthetic implant surgery is still scarce. Thus, the purpose of the present case is to report the 20-year clinical and radiological outcome of autogenous chin block grafts used to augment a bilateral defect due to agenesis of the upper lateral incisors for implant placement purposes.


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