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Clinical Oral Investigations

, Volume 18, Issue 2, pp 471–478 | Cite as

Effects of enamel matrix proteins in combination with a bovine-derived natural bone mineral for the repair of bone defects

  • Richard J. Miron
  • Lingfei Wei
  • Dieter D. Bosshardt
  • Daniel Buser
  • Anton Sculean
  • Yufeng ZhangEmail author
Original Article

Abstract

Objectives

Previously, the use of enamel matrix derivative (EMD) in combination with a natural bone mineral (NBM) was able to stimulate periodontal ligament cell and osteoblast proliferation and differentiation. Despite widespread use of EMD for periodontal applications, the effects of EMD on bone regeneration are not well understood. The aim of the present study was to test the ability of EMD on bone regeneration in a rat femur defect model in combination with NBM.

Materials and methods

Twenty-seven rats were treated with either NBM or NBM + EMD and assigned to histological analysis at 2, 4, and 8 weeks. Defect morphology and mineralized bone were assessed by μCT. For descriptive histology, hematoxylin and eosin staining and Safranin O staining were performed.

Results

Significantly more newly formed trabecular bone was observed at 4 weeks around the NBM particles precoated with EMD when compared with NBM particles alone. The drilled control group, in contrast, achieved minimal bone regeneration at all three time points (P < 0.05).

Conclusions

The present results may suggest that EMD has the ability to enhance the speed of new bone formation when combined with NBM particles in rat osseous defects.

Clinical relevance

These findings may provide additional clinical support for the combination of EMD with bone graft for the repair of osseous and periodontal intrabony defects.

Keywords

Enamel matrix derivative EMD Emdogain Natural bone mineral Bio-Oss Bone grafting materials 

Notes

Acknowledgments

This project was supported by Program for New Century Excellent Talents in University (NCET-11-0414) and Excellent Youth Foundation of Hubei.

Conflict of interest

The authors report no conflict of interest for this study.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Richard J. Miron
    • 1
    • 2
  • Lingfei Wei
    • 1
  • Dieter D. Bosshardt
    • 2
  • Daniel Buser
    • 3
  • Anton Sculean
    • 2
  • Yufeng Zhang
    • 1
    • 4
    Email author
  1. 1.The State Key Laboratory Breeding Base of Basic Science of Stomatology (Hubei-MOST) and Key Laboratory of Oral Biomedicine Ministry of Education, School and Hospital of StomatologyWuhan UniversityWuhanPeople’s Republic of China
  2. 2.Department of Periodontology, School of Dental MedicineUniversity of BernBernSwitzerland
  3. 3.Department of Oral Surgery and Stomatology, School of Dental MedicineUniversity of BernBernSwitzerland
  4. 4.Department of Oral Implantology, School of StomatologyWuhan UniversityWuhanChina

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