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Human amniotic membrane, best healing accelerator, and the choice of bone induction for vestibuloplasty technique (an animal study)

Authors Samandari MH, Adibi S, Khoshzaban A, Aghazadeh S, Dihimi P, Torbaghan SS, Keshel SH, Shahabi Z

Published 22 December 2010 Volume 2011:3 Pages 1—8


Review by Single anonymous peer review

Peer reviewer comments 2

Mohammad H Samandari1, Shahriar Adibi2, Ahad Khoshzaban3, Sara Aghazadeh5, Parviz Dihimi4, Siamak S Torbaghan6, Saeed H Keshel5, Zohreh Shahabi7
1Department of Oral and Maxillofacial Surgery, Dentistry Faculty, 2Dental Research of Torabinejad Research Centre, 3Iranian Tissue Bank Research and Preparation Centre, Imam Khomeini Hospital Complex, 4Department of Oral and Maxillofacial Pathology, Dentistry Faculty, Isfahan University of Medical Sciences, Isfahan, Iran; 5Stem Cells Preparation Unit, Eye Research Center, Farabi Hospital, 6Department of Pathology, Imam Khomeini Medical Centre, 7BMT Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran

Objective: To investigate the effects of amniotic membrane (AM) in bone induction and wound healing after vestibuloplasty surgery on animal samples while receptacle proteins such as growth factors were considered as accelerators for wound healing and bone induction after these operations.
Material and methods: Ten adult dogs (5 females, 5 males; race, Iranian mixed; weight, 44 pounds) were included, which underwent surgery for transplantation on mandible and maxillary. AM was used for promoting bone induction and healing.
Results: The tissue samples were obtained after 2, 8, and 12 weeks for histology survey. No significant differences were observed between male and female or left and right jaws. AM decreased fibrinoleukocytic exudates and inflammation in the experimental group, had significant effects on bone formation, considerably improves wound healing, and gives rise to bone induction (P < 0.0001).
Conclusions: Our study findings indicate that the AM is a suitable cover for different injuries and acellular AM has the potential for rapid improvement and bone induction. The AM contains collagen, laminin, and fibronectin, which provide an appropriate substrate for bone induction. This substrate promoted bone induction and might contribute to induction of the progenitor cells and/or stem cells in the area where surgery had been undertaken and is also differentiated into bone. In comparison with the control group, the difference was significant and meaningful (P < 0.0001).

Keywords: inflammation, bone induction, fibrinoleukocytic exudates

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