Chinese Journal of Tissue Engineering Research ›› 2012, Vol. 16 ›› Issue (16): 2856-2860.doi: 10.3969/j.issn.1673-8225.2012.16.002

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Bone regeneration induced by allogeneic acellular dermal matrix during immediate implantation

Ge Fei, Ji Xiao-wei, Xu Guo-qiang   

  1. Department of Prosthodontics, the First Teaching Hospital of Xinjiang Medical University, Urumqi  830054, Xinjiang Uygur Autonomous Region, China
  • Received:2011-09-27 Revised:2011-11-09 Online:2012-04-15 Published:2012-04-15
  • About author:Ge Fei★, Master, Lecturer, Attending physician, Department of Prosthodontics, the First Teaching Hospital of Xinjiang Medical University, Urumqi 830054, Xinjiang Uygur Autonomous Region, China stephany_ge@ 163.com Ji Xiao-wei, Studying for doctorate, Physician, Department of Prosthodontics, the First Teaching Hospital of Xinjiang Medical University, Urumqi 830054, Xinjiang Uygur Autonomous Region, China
  • Supported by:

    Specialized Research Foundation for the Youth of the First Teaching Hospital of Xinjiang Medical University, No. 2009QN19*

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Abstract:

BACKGROUND: Acellular dermal matrix can be used as a type of soft tissue scaffold for the proliferation of fibroblasts and epithelial cells, and finally the matrix will become part of the host tissue.
OBJECTIVE: To observe the bone regeneration induced by allogeneic acellular dermal matrix during immediate implantation. 
METHODS: Fifteen patients received immediate implantation were included in this study. Allogeneic acellular dermal matrix was used for bone regeneration. Clinical measurements describing the thickness of the buccal bone walls were recorded during implantation, after 6 months of operation and after 12 months of operation. Moreover, healing of the soft tissues around the implants was observed.
RESULTS AND CONCLUSION: All patients received final restoration without infection or complications at 6 months after operation. The acellular dermal matrix effectively closed the immediate implant wound and was gradually incorporated with the soft tissues around the implants. The thicknesses and bone masses of the buccal bone wall at 6 and 12 months were obviously increased compared with those during operation (P < 0.05), while those at 6 months and at 12 months were not different (P > 0.05). It is indicated that allogeneic acellular dermal matrix used as barrier membrane can efficiently induce the bone regeneration, reduce the difficult of closing wound in immediate implantation and achieve a good short-time effect.

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